279 results about "Color tone" patented technology

The invention relates to a printing control method and computer equipment. According to the method and the device, the basic contour information of the printed image during full-ink-quantity ink dots is identified, the edge compensation width is determined according to the database information, the basic contour information and the ink-medium-environment-chromatography multivariate model, and the halftone-processed database information is subjected to edge compensation in the edge compensation width; the phenomena of sawteeth, blurring and blurring of the edges of printed characters, graphs and images can be avoided, the edge compensation gradient is set according to the size and the tone type of the printed image, and gradient compensation of a compensation point from the outer edge of the printed image to the center position in the edge compensation width is achieved. The color difference, caused by edge compensation, of the outer edge and the center position is reduced, and low cost and high printing speed are guaranteed while the amount of printing ink is saved.

An analysis apparatus acquires individual emotion data for each participant generated on the basis of face image data of the participants in an online meeting during the meeting. The analysis apparatus generates, for each participant, analysis data indicating a degree of emotion in the online meeting on the basis of the individual emotion data. The analysis apparatus stores each piece of the analysis data for each participant in association with corresponding color tone information. The analysis apparatus generates, as a display image indicating a state of the online meeting, an image in which element figures represented by the color tone information associated with the analysis data are disposed for each of a plurality of the participants who have participated in the online meeting. The analysis apparatus outputs the generated display image.

The invention relates to a method applied to color grading of green jadeite, which belongs to the technical field of gemstone colorimetry, and defines the color grade of the green jadeite by establishing a theoretical color card model, obtaining a real object grading sample, preparing a color card, placing a sample to be detected, grading the dominant color of the sample to be detected and confirming the concentration and gray level of the sample to be detected. The invention further provides a color card device applied to green jade color grading, the color card device comprises an acrylic colorimetric set and a support assembly, the acrylic colorimetric set is composed of two acrylic color cards with different hues, the acrylic color cards are pure green and blue-green respectively, the color card with a single hue is designed into 12 color blocks of 3 * 4, and the support assembly is connected with the acrylic colorimetric set. Developing by taking the concentration and the gray as vertical and horizontal coordinates; the support assembly comprises a color card support and a length measuring instrument. The color card support is composed of an acrylic main plane and a base. According to the method, the efficiency and accuracy of green jadeite color grading can be improved, and market disorder caused by green jadeite color evaluation differences can be reduced.

The invention relates to the technical field of novel ink, and provides a spot color separation method and system for ink recovery. The method comprises the following steps: acquiring an RGB image of a printing recovery product; pixel segmentation is carried out on the image, and color and coordinate data of pixels are marked; performing region clustering according to the color data to obtain a plurality of recovery regions; identifying coordinates of the recovery area, and controlling the recovery device to dissolve and separate the ink in the target area to obtain mixed ink; and constructing a spot color adjustment module, and blending the mixed ink with the ground color ink to obtain the spot color ink. The technical problems that in a traditional ink recycling technology, due to the fact that different color areas cannot be accurately separated, the recycled novel ink is low in purity and cannot be directly recycled are solved, high-precision color area segmentation is achieved through multi-stage clustering, local dissolution and a special hue and process are combined, and the efficiency is improved. And the purity of the recovered novel ink and the direct reuse rate of the novel ink are improved.

Embodiments of the present application disclose a webpage generation method and device, electronic equipment and storage medium, and relate to the technical field of computers, which can realize modification of a main color tone of a webpage. The webpage generation method comprises: in response to a webpage template loading instruction, loading and displaying a webpage template; in response to a main color tone configuration parameter input on the webpage template, configuring the main color tone configuration parameter in a cascading style sheet; in response to a webpage generation instruction, parsing document content of the webpage template to construct a document tree; parsing the cascading style sheet of the webpage template to construct a cascading style sheet object model tree; creating a rendering tree based on the document tree and the cascading style sheet object model tree; and generating a target webpage based on the rendering tree. The present application is suitable for a webpage design scenario.

1. The name of the design product: picture tone processing graphical user interface of electronic equipment. 2. The use of the design product: an electronic device. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: interface change state diagram. 5. The use of the graphical user interface: for human-computer interaction and implementation of the functions of the electronic equipment, processing the tone of the picture. 6. The human-computer interaction mode of the graphical user interface: click on the alternative tone area of the circle below the main view and click on the "start processing" area, the interface will switch to the interface change state diagram. The design coating area is the content picture.

A device for combining different colors on a computer screen by using an electronic pen includes: an electronic pen having a pen head; a palette capable of being displayed in a screen of a display; the palette including a plurality of color sections of various colors; a touch detector serving to detect a contact angle and pressure of the pen head touching one color section of the palette for determining an amount of a dye and the hue of the color touched; a touch converter serving for converting the angle and the pressure to a hue and an amount of dye so that when the electronic pen is used to writer or draw, the output from the pen head having the color; a color combiner used to mix different colors of the color sections which are touched by the pen head continuously so as to obtain a mixing color.

The invention relates to the field of ceramic ink, and discloses a black pigment, ceramic ink prepared from the black pigment and a preparation method of the ceramic ink. The high-tinting-strength cobalt black pigment is prepared by adopting cobalt nitrate, nickel nitrate, chromic nitrate and ferric nitrate according to the molar ratio of 38: 6: 31: 25, co-precipitating, drying to obtain powder, and calcining at the temperature of 1100-1200 DEG C to obtain the high-tinting-strength cobalt black pigment. The ink prepared from the high-tinting-strength cobalt black pigment prepared by the preparation method disclosed by the invention is pure in hue and strong in tinting strength, is particularly suitable for producing dark-color ceramic tile layout products such as black golden flowers and the like, and can well solve the problem that the black color is not pure enough.

An apparatus for hair inspection includes: an inspection unit that obtains, with a plurality of color lights, a color image of an inspection object board that is the printed circuit board as an inspection target; and a control device that: obtains a hue image of the inspection object board from the color image; obtains a saturation image of the inspection object board from the color image; detects first hair including at least one of brown hair and blond hair in at least the resist area of the hue image based on a hue difference of the first hair relative to the resist area; and detects second hair including at least one of black hair and grey hair in at least the resist area of the saturation image based on a saturation difference of the second hair relative to the resist area.

Provided is a display lighting fixture configured to emit outgoing light from a light source toward the front of the lighting fixture through a light transmission control member, thereby making a partial area of the light transmission control member emit light, wherein, when the lighting fixture is not turned on, the partial area appears with an arbitrary color tone and when the lighting fixture is turned on, the partial area appears to emit light in a state in which a sufficient contrast difference is secured with respect to the other areas. The light transmission control member (40) is configured such that a first light-shielding film (44) and a second light-shielding film (46) having lower brightness than the first light-shielding film (44) are laminated on the rear surface (14b) of a light transmission cover (14) in this order via a colorless and transparent film (42). At this time, the first light-shielding film (44) is configured such that a plurality of first through-holes (44a) are formed in a region corresponding to the partial area (Z). The second light-shielding film (46) is configured such that a second through-hole (46a) is formed in a region corresponding to each of the plurality of first through-holes (44a).

To provide a printing system that can suppress a color of a medium from changing hue of an image, while suppressing white ink from being used.SOLUTION: A printing system comprises a discharge part that discharges color ink and white ink to a medium, and a control part that controls the discharge part. The printing system obtains image data, information on colors of the medium and information on a density of white ink. The control part calculates a masking ratio of the medium on the basis of the information on colors of the medium and the density of the while ink, calculates adhesion amounts of white ink that are necessary for masking the medium on the basis of the calculated masking ratio, reads out an image parameter describe below in the image data, performs threshold determination of the read image parameter, and adjusts the adhesion amounts of white ink on the basis of the determined result. One or more image parameters are selected from adhesion amounts of color ink and color data that can be measured with a measurement instrument.SELECTED DRAWING: Figure 1

To provide an adhesive tape excellent in adhesion to an adherend, and excellent in color tone retention even when exposed to a high temperature and high humidity environment.SOLUTION: An adhesive tape includes an adhesive layer formed with an adhesive composition, wherein the adhesive composition contains a (meth)acrylic copolymer and a tackifier resin, the adhesive layer has a glass transition temperature of -10°C or higher and 20°C or lower, and an amount of change in b* measured in color difference measurement before and after heating is 2.00 or less when the adhesive tape is heated for 120 hours under an environment of 60°C, 90% RH.SELECTED DRAWING: None

The invention provides an image enhancement method and apparatus, an electronic device and a storage medium. The method comprises the steps of obtaining an intensity component of a to-be-enhanced image in an sRGB color space, and an original hue component and a saturation component of the to-be-enhanced image in an HSV color space; determining a color density modulation factor, a perception hue and a saturation adaptive factor according to the intensity component and the original hue component; determining a color plane component of the image to be enhanced in the HVI color space according to the color density modulation factor, the saturation component, the saturation adaptive factor and the perceptual hue; and inputting the enhanced intensity component, the color density modulation factor, the saturation adaptive factor and the enhanced color plane component into a reverse conversion module to obtain an enhanced image in the sRGB color space, thereby effectively overcoming the inherent defects of the traditional color space in low-light image enhancement.

To provide a light control device, a light control module, and a sealing member capable of improving appearance and designability by making a sealing region visible in a natural form regardless of a hue and a light transmission state in each of a transparent state and an opaque state of a light control region.SOLUTION: A light control device attached to a translucent member comprises: a light control region configured to switch between a transparent state and an opaque state by switching between an energized state and a non-energized state; and a sealing region configured to seal at least a part of a peripheral edge of the light control region, wherein X≤Z≤Y is satisfied, where X (%) is a visible light transmittance of the light control region in the opaque state, Y (%) is a visible light transmittance of the light control region in the transparent state, and Z (%) is a visible light transmittance of a region of the sealing region that does not overlap the light control region.SELECTED DRAWING: Figure 4

To provide a diagnostic drape for personal color, a drape for suggesting beige basic colors, and a diagnostic method for color arrangement based on personal color diagnosis and skeletal structure diagnosis, which diagnoses colors that suit a user by classifying drapes used when diagnosing the user's personal color according to tone. [Solution] To provide a diagnostic drape for personal color, a drape for suggesting beige basic colors, and a diagnostic method for color arrangement based on personal color diagnosis and skeletal diagnosis, which aims to bring beauty effects to a user by having the user use colors that suit the user and look attractive on clothing and cosmetics.

The invention provides a photomask defect detection method and a photomask defect detection system, which are suitable for defect detection of a three-tone phase shift photomask, and according to the defect detection method, material boundaries are identified by combining design pattern information, and gray values of different material layers can be accurately applied to corresponding areas, so that defect positions are more accurately positioned. Through two times of light intensity calculation and gray scale regulation and control, the gray scale difference between different material layers can be optimized at the same time, the capability of detecting defects of all the material layers is improved, and defect missing detection caused by insufficient gray scale difference is avoided. For the defect detection of the three-color photomask, the method not only can ensure the defect grabbing capability of the molybdenum-silicon material layer and the quartz material layer, but also can ensure the defect grabbing capability of the molybdenum-silicon material layer and the chromium material layer, so that the defect grabbing capability among the three materials is maximized, and the defect detection efficiency is improved. The problem of multi-material gray scale balance is effectively solved, the blind area of defect detection is eliminated, and the defect detection precision is remarkably improved.

The present invention addresses the problem of providing, in an electrochromic element that exhibits a reversible color change between a black color and a transparent color, an oxidation-coloring-type electrochromic material, a coating material, and a color-changeable electrode which constitute the electrochromic element. The electrochromic element uses, as the oxidation-coloring-type electrochromic material, a material containing one or more nanoparticles selected from NiO, Ni2O3 and NiOOH which undergo reversible color change between a brown color and a transparent color by an electrochemical oxidation-reduction reaction, thereby exhibiting a brown color tone in an oxidized state.

This invention provides a copper adhesion inhibitor that inhibits copper adhesion to steel materials and suppresses the deterioration of the color tone of the steel material surface when pickling steel materials in a hydrochloric acid cleaning solution containing a large amount of copper ions. [Solution] A copper adhesion inhibitor for addition to a pickling solution for steel materials, characterized by comprising one or more of the following: polyallylamine, diallylamine-sulfur dioxide copolymer or a salt thereof, methyldiallylamine-sulfur dioxide copolymer or a salt thereof, dialkyldiallylammonium-sulfur dioxide copolymer, polycondensate of dicyandiamide and diethylenetriamine or a salt thereof.

The utility model discloses a kind of granular decorative ceramic artware, including base, the top of the base is equipped with pentacle ceramic artware, multiple granular decorative cover capable of emitting light and changing color are evenly installed on the pentacle ceramic artware, the granular decorative cover can be conveniently disassembled and assembled on pentacle ceramic artware, the utility model is installed in the inside of transparent granular decorative cover by LED lamp pearl, when LED lamp pearl is lighted different color, granular decorative cover also can show corresponding color, so as to be able to present different color tone under different scene, improve aesthetic sense, avoid the display color tone single of traditional granular decorative ceramic artware, aesthetic sense is poor under dark environment, simultaneously, granular decorative cover is clamped on support, and disassembly and assembly are completed by direct plug-in mode, when single granular decorative cover is damaged, it can be directly replaced, so as to improve the service life of granular decorative ceramic artware.

The application discloses a feature-consistent real face style transfer method and device for digital clothing sample display and a storage medium. The method comprises the following steps: constructing a rendering style face dataset DRFHQ; under the constraint of a face contour and a color tone, a rendering style face generator StyleGAN2-DRFHQ is obtained by fine-tuning a StyleGAN2-FFHQ generator using the DRFHQ; based on the StyleGAN2-DRFHQ, an e4e-DRFHQ encoder is obtained by fine-tuning an e4e-FFHQ encoder using the DRFHQ; a target rendering style face image is obtained from a digital clothing sample display image and is input into the e4e-DRFHQ encoder; a hidden code is obtained by inputting the target rendering style face image into the e4e-DRFHQ encoder; the hidden code is input into the StyleGAN2-FFHQ to generate a real face image; and the real face image is pasted back into the digital clothing sample display image.

The present application relates to an information processing device, an information processing system, an information processing method, a storage medium, and a computer device, and aims to implement color reproduction that prioritizes hue when hue is valued and that prioritizes metallic color sense when metallic color sense is valued. The information processing device of the present application includes: an acquisition unit configured to acquire a colorimetric measurement value obtained by colorimetric measurement of a color patch of a target color with metallic color sense by a colorimeter; a calculation unit configured to calculate at least two or more physical quantities including a metallic color value that indicates the magnitude of metallic color sense and a chroma value that indicates the magnitude of hue, based on the colorimetric measurement value acquired by the acquisition unit; a first determination unit configured to determine the priority order of each of the physical quantities of the target color; and a derivation unit configured to derive the color material amount of a metallic color material of an image forming device and the color material amount of a print color color material from the two or more physical quantities in the priority order.

The invention belongs to the technical field of magnesium-aluminum magnesium alloy surface treatment, and particularly relates to a magnesium-aluminum alloy surface yellow ceramic film layer and a color control method thereof, and the method comprises the following steps: immersing a pretreated magnesium alloy into an electrolyte containing a coloring agent, and carrying out micro-arc oxidation to generate different yellow ceramic film layers on the surface of the magnesium-aluminum magnesium alloy; the coloring agent is one or two of potassium dichromate, potassium permanganate and anhydrous cupric sulfate; by adopting the method disclosed by the invention, uniform, smooth and compact ceramic film layers with different yellow colors can be generated on the surface of the magnesium-aluminum alloy. Six ceramic film layers with different yellow colors are prepared, the cost is low, the protection function and the decoration function can be achieved, and the requirements of different application scenes are met.

1. Name of the product in this design: Color palette card for a camera-style color-grading graphical user interface of an electronic device. 2. Purpose of this design: An electronic device. 3. The key design feature of this product is its graphical user interface. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. Design 1 is designated as the basic design. 6. Purpose of the graphical user interface: The overall purpose of the interface is to open and adjust the color tone of the camera's captured images based on user operations; the local purpose of the interface is to display the color palette in the color card, allowing the user to select and save the captured color tone. 7. Human-computer interaction method of graphical user interface: In Design 1, Design 2 and Design 5, the main view is the main interface displayed by the electronic device. When the user clicks the point on the color palette in the color card at the bottom of the interface in the main view, the color tone of the captured image at the top of the interface is switched accordingly. The card area at the top of the interface is used to display the captured image. The specific interface is shown in the reference figure. In Design 3, the main view is the main interface displayed by the electronic device. When the user clicks the icon in the upper right corner of the interface in the main view, the interface will jump to the interface change state diagram 1 and interface change state diagram 2 in sequence. The card area at the top of the interface is used to display the shooting screen. The specific interface is shown in the reference figure. In Design 4, the main view is the main interface displayed by the electronic device. When the user clicks the icon in the upper right corner of the interface in the main view, the camera shooting and color adjustment function of the electronic device can be turned off. The card area at the top of the interface is used to display the shooting screen, as shown in the reference figure. In Designs 6 and 7, the main view is the main interface displayed by the electronic device. When the user clicks the circular icon in the lower right corner of the interface in the main view, the interface jumps to the interface change state diagram 1. When the user clicks "Save as preset" in the interface change state diagram 1, the interface jumps to the interface change state diagram 2. The card area at the top of the interface is used to display the shooting screen, and the specific interface is shown in the reference figure. In Design 8, the main view is the main interface displayed by the electronic device. When the user clicks on the boxed area in the color palette card at the bottom of the main view, the interface will jump to the interface change state diagram in sequence. The card area at the top of the interface is used to display the shooting screen, as shown in the reference figure. 8. Other situations requiring explanation: Other explanation: The dashed lines in the figure indicate the parts that do not require protection.

The invention discloses an elastomer impression material as well as a preparation method and application thereof, and relates to the technical field of impression materials. The elastomer impression material comprises a primary impression and a light body, wherein the primary impression and the light body respectively comprise a polysiloxane compound, hydrogen-containing silicone oil, a catalyst, a filler, a pigment and a fluorescent pigment. The marking efficiency of the light body in the indicating process is improved through cooperation of the pigment and the fluorescent pigment, the marking face is mainly used for marking a large continuous face, the light body is mainly used for marking lines such as gingival lines, pit fissures and palate, the color between the light body and the initial impression and the color tone and effect of fluorescent light are combined, and the marking efficiency of the light body in the indicating process is improved. The positions of gingiva, soft tissue, prepared teeth and the like of the teeth and the transition and boundary of the structure are clearly and accurately marked, the machine learning process is accelerated, and the tedious link of manual marking is omitted. The preparation method is simple, convenient and rapid, the oral cavity diagnosis and treatment efficiency and precision are improved, and a more efficient and more accurate solution is provided for application of artificial intelligence in the dental field.

Optical element (100) comprising a substrate (20) and an interferometric reflection-reducing layer system (10) on at least one surface (22) of the substrate (20), wherein the layer system (10) comprises a stack (40) of at least four successive layer packages (42, 44, 46, 48), wherein each layer package (42, 44, 46, 48) comprises a first sublayer (60) with a first optical thickness (t1) and a second sublayer (62) with a second optical thickness (t2) different from the first optical thickness (t1), wherein a refractive index (n1) of the first sublayer (60) closer to the substrate is greater than a refractive index (n2) of the second sublayer (62) further away from the substrate of the stack (40), wherein the first sublayer (60) is made of Ta2O5 and the second sublayer (62) is made of SiO2, wherein the layer system (10) has a brightness (L*), a chroma (C*) and a hue angle (h) of a residual reflection color, characterized by the fact that the magnitude of a change (Δh) of the hue angle (h) of the residual reflection color in an interval of a viewing angle (AOI) with limit values ​​of 0° and 30° relative to a surface normal (70) to the layer system (10) is smaller than the magnitude of a change (ΔC*) of the chroma (C*) in the interval of the viewing angle (AOI), where for four layer packages (42, 44, 46, 48) with a blue residual reflection color, in the lowest, first layer package (42) the first sublayer (60) has a thickness of 7.5 nm and the second sublayer (62) has a thickness of 54.9 nm, in the following second layer package (44) the first sublayer (60) has a thickness of 20.1 nm and the second sublayer (62) has a thickness of 49.7 nm, in the following third layer package (46) the first sublayer (60) has a thickness of 27.4 nm and the second sublayer (62) has a thickness of 17.6 nm, and in the following fourth layer package (48) the first sublayer (60) has a thickness of 119.2 nm and the second sublayer (62) has a thickness of 81.7 nm, or with a green residual reflection color in the lowest, first layer package (42), the first sublayer (60) has a thickness of 5 nm and the second sublayer (62) has a thickness of 64.3 nm, in the following second layer package (44) the first sublayer (60) has a thickness of 12 nm and the second sublayer (62) has a thickness of 75.9 nm, in the following third layer package (46) the first sublayer (60) has a thickness of 24.6 nm and the second sublayer (62) has a thickness of 19.1 nm, and in the following fourth layer package (48) the first sublayer (60) has a thickness of 103 nm and the second sublayer (62) has a thickness of 70.7 nm, or with a yellow residual reflection color in the lowest, first layer package (42), the first sublayer (60) has a thickness of 20 nm and the second sublayer (62) has a thickness of 28.8 nm, in the following second layer package (44) the first sublayer (60) has a thickness of 62 nm and the second sublayer (62) has a thickness of 6.7 nm, in the following third layer package (46) the first sublayer (60) has a thickness of 72 nm and the second sublayer (62) has a thickness of 9 nm, and in the following fourth layer package (48) the first sublayer (60) has a thickness of 136 nm and the second sublayer (62) has a thickness of 62 nm, or with a red residual reflection color in the lowest, first layer package (42) the first sublayer (60) has a thickness of 5 nm and the second sublayer (62) has a thickness of 41 nm, in the following second layer package (44) the first sublayer (60) has a thickness of 29.4 nm and the second sublayer (62) has a thickness of 4 nm, in the following third layer package (46) the first sublayer (60) has a thickness of 3.5 nm and the second sublayer (62) has a thickness of 13.48 nm, and in the following fourth layer package (48) the first sublayer (60) has a thickness of 72 nm and the second sublayer (62) has a thickness of 71 nm.

To provide a dental composite resin kit which can reproduce a wide range of shades with a relatively small number of dental composite resins used in combination when performing aesthetic filling and restoration on teeth of various shades. To provide a dental composite resin kit including at least a first dental composite resin and a second dental composite resin, wherein a contrast ratio of a cured body measured at a thickness of 1 mm of the first dental composite resin is 0.3 to 0.75, a contrast ratio of a cured body measured at a thickness of 1 mm of the second dental composite resin is 0.3 to 0.75, a difference in contrast ratio of a cured body between the first dental composite resin and the second dental composite resin is 0.3 or less, and when it is defined that (L1*, a1*, b1*) is a value of a color tone in a cured body having a thickness of 1 mm of the first dental composite resin in the L*a*b* space measured in the white background and (L2*, a2*, b2*) is a value of a color tone in a cured body having a thickness of 1 mm of the second dental composite resin in the L*a*b* space measured in the white background, the color difference ΔE expressed by the following formula (1) is 2 or more. ΔE=L1*−L2*2+a1*−a2*2+b1*−b2*212

The invention relates to a magnetic color swatch apparatus for selecting and comparing hair colors. The apparatus comprises a base with a central magnet and a plurality of circular swatches, each having a magnet at its center, allowing them to attach to the base and rotate freely by magnetic force. Each swatch has multiple brushes along its perimeter, with each brush representing a different shade of the color associated with the swatch. The brushes are labeled with the corresponding shade name to provide clear identification. The apparatus enables hairstylists and clients to compare colors side-by-side by rotating the swatches and customizing color palettes as needed. The durable materials ensure color accuracy and longevity, while the magnetic system allows for flexible arrangement of the swatches, making the apparatus ideal for dynamic color visualization in salon environments.

The present application provides a toning model training method, a processing method, a device, equipment and a storage medium, and relates to the technical field of image processing. The toning model training method comprises the following steps: obtaining a training sample set, the training sample set comprising an image set with different scene labels, the image set comprising original images and revised reference images; randomly combining the original images and the reference images in the training sample set into a group of training samples; inputting a plurality of groups of training samples into a preset algorithm training model to train a toning model, the toning model being used for toning a to-be-toned image. The toning model trained by the toning model training method of the present application is used to tone the image, without manual adjustment of the toning, and only needs to input the to-be-toned image into the toning model, so that automatic toning of the to-be-toned image is realized, and the use threshold of the toning model is reduced.

The present invention provides a dental composite resin kit capable of performing aesthetic filling repair on teeth of various hues, having a small number of combined dental composite resins, and being capable of reproducing a wide range of hues. A dental composite resin kit in which at least a first dental composite resin and a second dental composite resin are packaged together, the difference between the contrast of the first dental composite resin and the contrast of the second dental composite resin being 0.3 or less when the contrast of a cured body having a thickness of 1 mm is measured, and the contrast is 0.3-0.75, respectively, and the contrast of the first dental composite resin and the contrast of the second dental composite resin being 0.3 or less when the contrast of the cured body having a thickness of 1 mm is measured. The value obtained by measuring the color tone in the L * a * b * space of a cured body of the first dental composite resin having a thickness of 1 mm in a white background is (L1 *, a1 *, b1 *), the value obtained by measuring the color tone in the L * a * b * space of a cured body of the second dental composite resin having a thickness of 1 mm in a white background is (L2 *, a2 *, b2 *), and the color difference [Delta] E represented by formula (1) is 2 or more: [Delta] E = {(L1 *-L2 *) 2 + (a1 *-a2 *) 2 + (b1 *-b2 *) 2} 1 / 2.

[Object]To provide a resin-coated aluminum can lid having resin adhesiveness, corrosion resistance, and a color tone in combination.[Solving Means]A resin-coated aluminum can lid includes an aluminum base material, a surface treatment layer formed on at least one side of the aluminum base material, and a resin layer formed on the surface treatment layer. The surface treatment layer contains aluminum hydroxide, and has a Pa / Pb value of 0.14 to 3.50 when, in an infrared absorption spectrum measured by an FT-IR, a height of an absorbance peak at wavenumbers of 850 to 1000 cm−1 is defined as Pa and a height of an absorbance peak at wavenumbers of 1000 to 1200 cm−1 is defined as Pb.