Embroidering method for realizing gradient color effect based on color separation proportional mixing of mulberry silk threads

Abstract

The application discloses a kind of embroidery methods based on color separation proportion mixing silkworm silk thread to realize gradual change color effect, it is characterized in that: embroidery thread is composed of multiple same hue or multiple different hue silk threads, wherein, each strand is several silk threads of same hue but different lightness, and is formed by mixing and parallel or slightly twisting according to predetermined lightness proportion, and the silk threads of same hue in each strand are divided into dark, intermediate color, light, highlight color according to different lightness from dark to light.The embroidery method is to divide the entire embroidery pattern into three embroidery layers to be embroidered in sequence, i.e., bottom layer, middle layer and upper layer, and different predetermined lightness proportion silk threads are used for each layer.The application utilizes the characteristic of silkworm silk thread with luster, under the action of natural law of light reflection, combined with multi-color combination and different lightness proportion change of color in different embroidery layers, thereby solving the problem that there is no suitable gradual change color embroidery effect in the field of Suzhou embroidery for a long time.

Description

Technical Field

[0001] This invention belongs to the field of embroidery, and relates to embroidery methods, particularly to an embroidery method that achieves a gradient color effect based on mixing mulberry silk threads according to color separation ratios. Background Technology

[0002] Embroidery is a craft technique that uses a needle to guide thread and stitches onto a fabric according to a pre-designed pattern, ultimately creating a decorative design through the embroidered stitches. The typical embroidery thread is silk, which is characterized by its sheen. The embroidery fabric refers to the material used for embroidery, usually a soft, elastic textile. Previously, commonly used embroidery fabrics included cloth, silk, satin, and gauze.

[0003] Embroidery has a history of over 2000 years in my country. Among them, Suzhou embroidery is one of the "Four Famous Embroideries" of China and a national intangible cultural heritage. Traditional Suzhou embroidery uses mulberry silk thread as its embroidery thread, employing a variety of needlework techniques. Its embroidery skills are characterized by "flatness, evenness, fineness, density, harmony, luster, smoothness, and uniformity." "Flatness" refers to a flat embroidered surface; "evenness" refers to neat edges of the pattern; "fineness" refers to delicate needlework and fine thread; "density" refers to tightly arranged lines without visible stitches; "harmony" refers to appropriate color selection; "luster" refers to dazzling brilliance and vibrant colors; "smoothness" refers to the smooth and flowing silk threads; and "uniformity" refers to fine, even lines with consistent density. Suzhou embroidery possesses a unique style characterized by beautiful patterns, ingenious designs, meticulous craftsmanship, lively needlework, and elegant colors, with a strong local flavor. The main artistic features of Suzhou embroidery works include: landscapes conveying a sense of distance; pavilions exhibiting a profound depth; figures conveying a lively gaze; and flowers and birds expressing graceful intimacy. Suzhou embroidery is renowned worldwide for its lifelike artistic effects, particularly its imitation painting and portrait embroidery techniques.

[0004] In the field of embroidery, different embroidery methods have different characteristics and produce different embroidery effects. However, at present, there is no embroidery method in Suzhou embroidery that can express the effect of gradient colors. This limits the expressive means of Suzhou embroidery, especially in that it cannot embroider the subtle sheen and dynamic gradient effects similar to the skin of a chameleon, nor can it embroider patterns or images with the texture of an impressionist oil painting.

[0005] In view of this, how to innovate an embroidery method that can express the effect of gradient colors is the research topic of this invention. Summary of the Invention

[0006] This invention provides an embroidery method for achieving gradient color effects based on mixing mulberry silk threads according to color separation ratios. Its purpose is to solve the long-standing problem in the field of Suzhou embroidery of the lack of suitable embroidery techniques to express gradient color effects.

[0007] To achieve the above objectives, the technical solution adopted by the present invention is: an embroidery method based on the mixing of mulberry silk threads according to color ratio to achieve a gradient color effect. The method involves using embroidery needles and threads to embroider on the embroidery base material according to a pre-planned embroidery method, so as to form an embroidery pattern with a gradient color effect.

[0008] Its innovation lies in: The embroidery thread is composed of multiple strands of the same hue or multiple strands of different hues. Each strand consists of several strands of the same hue but different brightness, which are mixed and arranged in parallel or lightly twisted according to a predetermined brightness ratio. The strands of the same hue in each strand are divided into four types according to their brightness, from dark to light: dark, medium, light, and high-gloss.

[0009] In embroidery, multiple strands of silk thread of the same hue with different brightness levels are present in the stitches formed by the same needle thread, or multiple strands of silk thread of different hues with different brightness levels. In this way, each stitch has a color with the same hue but different brightness levels, or different hues but different brightness levels, so as to achieve micro-color gradation.

[0010] The embroidery method involves dividing the entire embroidery pattern into three layers and embroidering them sequentially: the bottom layer, the middle layer, and the top layer, using silk threads with different predetermined brightness ratios for each layer.

[0011] (1) Underlying embroidery: The bottom layer is the outline of the embroidery pattern. When embroidering, after the hue of the embroidery thread is selected, the brightness of the embroidery thread is mainly dark, mixed with a small amount of intermediate color and a very small amount of light color. The random stitch direction and length of the random stitch are used to outline the outline and shadow tone of the pattern on the embroidery base.

[0012] The predetermined brightness ratio of the embroidery thread used in the base embroidery is as follows: Darker threads comprise 60% to 70% of the total number of threads per strand, and are used to establish shadows and outline tones. The number of intermediate-colored threads accounts for 20% to 30% of the total number of threads per thread, providing a buffer color gradation for subsequent gradations; The number of light-colored and / or high-gloss colored threads accounts for 0-10% of the total number of threads per thread, which is used to break the excessive dullness and give the underlying layer a slight color variation.

[0013] (2) Middle layer embroidery: The middle layer is the coloring layer for the embroidery pattern. When embroidering, after the hue of the embroidery thread is selected, the proportion of mid-tone and highlight colors is increased. The random stitch is then layered on the bottom layer, and the stitches are kept loose so that the dark bottom layer can show through to form a soft gradient, making the overall tone transition to a rich and light color gradient.

[0014] The predetermined brightness ratio of the embroidery thread used in the middle layer embroidery is as follows: The proportion of intermediate-colored threads to the total number of threads per thread is 50% to 60%. At this time, the proportion of intermediate-colored threads is higher than that of intermediate-colored threads in the bottom layer, making the dark bottom layer appear faintly visible. The number of light-colored threads accounts for 30% to 40% of the total number of threads per thread, providing a significant gradient. The number of high-gloss colored threads accounts for 5% to 10% of the total number of threads per thread, serving as an intermediate embellishment to form a base for the upper high-gloss layer.

[0015] (3) Upper layer embroidery: The upper layer is an embellishment layer for the embroidery pattern. After selecting the hue of the embroidery thread, the proportion of light and bright colors is increased. Short, scattered random stitches are used to embroider and embellish key details, creating a dynamic gradient effect with subtle shimmer.

[0016] The predetermined brightness ratio of the embroidery thread used in the upper layer of embroidery is as follows: The number of light-colored and high-gloss colored threads accounts for 45% to 55% of the total number of threads per thread, which enhances local highlights and surface shimmer. The number of intermediate-colored threads accounts for 35% to 45% of the total number of threads per thread, so that the highlights are not too abrupt and can be smoothly connected with the colors of the middle layer. The number of dark-colored threads accounts for 5% to 10% of the total number of threads per thread, which is used to increase subtle contrast and maintain overall color balance.

[0017] In summary, the superposition of the bottom, middle and top layers results in a multi-colored mixture of dark, intermediate, light and highlight colors at the microscopic level, and a natural and smooth gradient color and delicate light and shadow effect at the macroscopic level.

[0018] The relevant content in the above technical solution is explained as follows: 1. In the above solution, the "embroidery base material" refers to the embroidery material used in embroidery, also known as embroidery cloth, which is usually a soft, elastic textile fabric. In this invention, the embroidery base material can be a transparent, semi-transparent, or opaque fabric.

[0019] 2. In the above scheme, "needlework" refers to the method of needlework in embroidery, and also the organizational form of stitches in embroidery. "Stitch" refers to a single line of embroidery thread created between two needle holes.

[0020] 3. In the above scheme, although there are only three embroidery layers in terms of quantity—bottom, middle, and top—the distinction and concept of layers in actual embroidery are not very strict. The bottom layer can actually be divided into multiple layers, as can the middle and top layers. This invention divides the embroidery into three layers—bottom, middle, and top—from the perspective of the overall embroidery process and technology, and distinguishes them based on the phased goals of completing the embroidery pattern. Specifically, the bottom layer is the outline layer of the embroidery pattern, the middle layer is the coloring layer, and the top layer is the embellishment layer. This also illustrates that the bottom, middle, and top layers of this invention are relative layers, not an absolute combination of three layers, which is understandable and known to those skilled in the art of embroidery.

[0021] 4. In the above scheme, hue refers to the name that can accurately represent a certain color. Hue is the primary characteristic of color and the most accurate standard for distinguishing different colors. It is one of the three elements of color, namely, color appearance. In this invention, the hue of the silk thread can be divided into primary color and secondary color.

[0022] 5. In the above scheme, brightness refers to the lightness or darkness of a color. Brightness is also the eye's perception of the lightness or darkness of a light source and object surface, primarily a visual experience determined by the intensity of light. Generally speaking, the stronger the light, the brighter it appears; the weaker the light, the darker it appears. On the other hand, dark and light colors are different terms describing the degree to which an object's surface reflects or emits light. In color theory, the depth of a color is related to its hue and brightness. Generally, dark colors have the lowest brightness and are the darkest; light colors have the highest brightness and are the brightest; and intermediate colors have brightness in between.

[0023] 6. In the above scheme, the highlight color refers to a color whose brightness exceeds the average brightness of the overall embroidery pattern plus one standard deviation or more. In this invention, from the perspective of lightness, the highlight color has a higher lightness than the light color.

[0024] 7. In the above scheme, after the upper layer of embroidery is completed, the next step is to make detailed adjustments. The detailed adjustments are made by making minor adjustments to the local color gradient transition through the embroidery method according to the overall appearance, and appropriately increasing or decreasing the stitch density of a certain color to ensure that the colors of each layer are connected naturally and the layers are rich.

[0025] 8. In the above scheme, the basic unit of the random stitch embroidery technique consists of two stitches, wherein the two stitches are crossed or arranged at an angle. The stitch length of the random stitch embroidery technique used in the middle and upper layers adopts medium stitches and / or short stitches, the length of the medium stitch is 14±3mm, the length of the short stitch is 7±3mm, and the relative crossing angle between the two stitches is in the range of 10°-75°.

[0026] 9. The above solution is applicable not only to hand embroidery but also to machine embroidery (mass production) in industrialized mass production. When using machine embroidery, all the stitches of this invention can be converted into points and sequences in planar coordinates, and then programmed for the embroidery machine to complete. Therefore, the technical solution of this invention possesses practical applicability under patent law.

[0027] The principle and effect of this invention: Embroidery differs from painting. It is a craft technique that uses a needle and thread to embroider patterns on fabric according to a design, ultimately creating a pattern through the stitches. Embroidery techniques utilize needles and thread, employing one or more stitches to create patterns on fabric. Stitching techniques refer to the methods of needlework and the organization of stitches; a stitch is a section of thread between two needle holes. In Suzhou embroidery, regardless of the stitch or stitch method used, silk thread, specifically mulberry silk, is used. Silk thread is lustrous, a well-known natural phenomenon. Suzhou embroidery utilizes this natural luster of silk thread, creating different light and shadow effects through variations in stitch organization. Therefore, while stitches and stitch methods appear superficially as arrangements of stitches, they reflect the essence of utilizing natural laws. Although Suzhou embroidery ultimately expresses an artistic work, it undeniably contains technical elements. More accurately, Suzhou embroidery is a comprehensive embodiment of art and technology. This invention addresses the long-standing problem in Suzhou embroidery of lacking a suitable method for achieving gradient color effects. It utilizes the lustrous properties of silk thread and, through the natural laws of light reflection, combines multiple colors and varying brightness ratios within different embroidery layers to achieve a gradient color effect. Therefore, compared to existing embroidery methods, this invention features a rational process design and ingenious technical conception, representing a bold and proactive innovation and breakthrough in the field of embroidery. Attached Figure Description

[0028] Appendix Figure 1 This is an actual effect diagram of the chameleon embroidery according to an embodiment of the present invention.

[0029] Appendix Figure 2 yes Figure 1 A magnified view of a portion of the image. Detailed Implementation

[0030] The present invention will be further described below with reference to the accompanying drawings and embodiments: Example: An embroidery method for achieving a gradient color effect based on mixing mulberry silk threads according to color separation ratio.

[0031] This method uses embroidery needles and threads to embroider pre-made patterns on embroidery base material according to a pre-planned embroidery technique, creating embroidery patterns with gradient color effects.

[0032] See Figure 1 and Figure 2 As shown, this embodiment uses chameleon embroidery as an example.

[0033] Choosing mulberry silk thread as the base material, its natural luster and delicate texture facilitate color layering and create dynamic changes under light. According to Figure 1 and Figure 2 The chameleon pattern and colors are displayed, and various shades of silk thread are prepared.

[0034] The embroidery thread is composed of multiple strands of silk threads of different hues (it can also be composed of multiple strands of silk threads of the same hue, depending on the needs of the pattern and color, as those skilled in the art will understand). Each strand consists of several silk threads of the same hue but different brightness (e.g., 10 threads), mixed and arranged side by side or lightly twisted according to a predetermined brightness ratio. The silk threads of the same hue in each strand are divided into four types according to their brightness, from dark to light: dark, medium, light, and high-gloss.

[0035] In this example, different hues of silk thread are used, such as green, blue, and red. Hue refers to the name that accurately represents a particular color. Hue is the primary characteristic of color, the most accurate standard for distinguishing different colors, and one of the three elements of color, namely, color appearance. In this invention, the hue of the silk thread can be divided into primary and secondary colors. Brightness refers to the lightness or darkness of a color. Brightness is also the eye's perception of the lightness or darkness of a light source and object surface, primarily a visual experience determined by the intensity of light. Generally, the stronger the light, the brighter it appears; the weaker the light, the darker it appears. On the other hand, dark and light colors are different terms describing the degree to which an object's surface reflects or emits light. In color theory, the depth of a color is related to its hue and brightness. Generally, dark colors have the lowest brightness and are the darkest; light colors have the highest brightness and are the brightest; intermediate colors have brightness in between. Highlight color refers to a color whose brightness exceeds the average brightness of the overall embroidery pattern plus one standard deviation. In this invention, from the perspective of brightness, the highlight color has a higher brightness than the light color.

[0036] In this embodiment of embroidery, because multiple strands of silk thread of the same hue with different brightness mixed in each strand, or multiple strands of silk thread of different hues with different brightness mixed in each strand, each stitch has the same hue with different brightness variations or different hues with different brightness variations, thus achieving microscopic color gradation.

[0037] The embroidery method involves dividing the entire embroidery pattern into three layers and embroidering them sequentially: the bottom layer, the middle layer, and the top layer, using silk threads with different predetermined brightness ratios for each layer.

[0038] (1) Underlying embroidery: The bottom layer forms the outline of the embroidered pattern. During the embroidery process, after selecting the hue of the thread, the thread is predominantly dark, mixed with a small amount of intermediate and very light-colored silk thread. Using the random stitch direction and length of the random stitch technique, the outline and shadow tone of the pattern are outlined on the embroidery base. This not only initially establishes the pattern outline and color tone, but also allows for relatively free but compact stitch direction, enabling the darker colors to form the shadow base.

[0039] The predetermined brightness ratio of the embroidery thread used in the base embroidery is as follows: Darker threads comprise 60% to 70% of the total number of threads per strand, and are used to establish shadows and outline tones. The number of intermediate-colored threads accounts for 20% to 30% of the total number of threads per thread, providing a buffer color gradation for subsequent gradations; The number of light-colored and / or high-gloss colored threads accounts for 0-10% of the total number of threads per thread, which is used to break the excessive dullness and give the underlying layer a slight color variation.

[0040] (2) Middle layer embroidery: The middle layer is the coloring layer for the embroidery pattern. When embroidering, after the hue of the embroidery thread is selected, the proportion of mid-tone and highlight colors is increased. The random stitch is then layered on the bottom layer, and the stitches are kept loose so that the dark bottom layer can show through to form a soft gradient, making the overall tone transition to a rich and light color gradient.

[0041] The predetermined brightness ratio of the embroidery thread used in the middle layer embroidery is as follows: The proportion of intermediate-colored threads to the total number of threads per thread is 50% to 60%. At this time, the proportion of intermediate-colored threads is higher than that of intermediate-colored threads in the bottom layer, making the dark bottom layer appear faintly visible. The number of light-colored threads accounts for 30% to 40% of the total number of threads per thread, providing a significant gradient. The number of high-gloss colored threads accounts for 5% to 10% of the total number of threads per thread, serving as an intermediate embellishment to form a base for the upper high-gloss layer.

[0042] In this way, the middle layer becomes a transitional bridge between the dark bottom layer and the bright top layer, while the randomness of the random stitch technique allows the dark bottom layer to show through the gaps in the stitches, forming a soft gradient.

[0043] (3) Upper layer embroidery: The upper layer is an embellishment layer for the embroidery pattern. After selecting the hue of the embroidery thread, the proportion of light and bright colors is increased. Short, scattered random stitches are used to embellish key details, creating a dynamic gradient effect with subtle shimmer. This layer allows for more freedom in stitching, and high-brightness lines can be added to areas that need emphasis, creating subtle shimmer and colorful details. This allows the embroidery to exhibit a chameleon-like multi-dimensional gradient under different lighting and viewing angles.

[0044] The predetermined brightness ratio of the embroidery thread used in the upper layer of embroidery is as follows: The number of light-colored and high-gloss colored threads accounts for 45% to 55% of the total number of threads per thread, which enhances local highlights and surface shimmer. The number of intermediate-colored threads accounts for 35% to 45% of the total number of threads per thread, so that the highlights are not too abrupt and can be smoothly connected with the colors of the middle layer. The number of dark-colored threads accounts for 5% to 10% of the total number of threads per thread, which is used to increase subtle contrast and maintain overall color balance.

[0045] In this embodiment, the predetermined brightness ratio of the bottom, middle, and top layers enables a natural transition from bottom to top, from dark to light, and from a single primary color to multiple color gradations. By using random stitches of varying directions and lengths in each layer, colors blend, boundaries blur, and layers become rich when layers are stacked. Specifically, the bottom layer embroidery thread contains 60%–70% dark colors per thread, the middle layer embroidery thread contains 50%–60% mid-tone colors per thread, and the top layer embroidery thread contains 45%–55% highlight colors per thread, gradually increasing the proportion of light colors and highlights to achieve a gradual transition from dark to light. The stacking of the bottom, middle, and top layers results in a multi-colored mixture of dark, mid-tone, light, and highlight colors at the microscopic level, and a natural, smooth gradient of colors and subtle light and shadow effects at the macroscopic level.

[0046] After the upper layer of embroidery is completed, the next step is to make detailed adjustments. These adjustments are made by using patch embroidery to fine-tune the local color gradient transitions based on the overall look, and by appropriately increasing or decreasing the stitch density of a certain color to ensure that the colors of each layer are connected naturally and have rich layers.

[0047] In this embodiment, a random stitch embroidery technique is used to create subtle color differences between different colored threads within the same stitch, and multi-dimensional color gradation and shimmering luster are produced through multi-layer superposition. The basic unit of the random stitch embroidery technique consists of two stitches, which are arranged either crosswise or at an angle. The stitch lengths used in the middle and upper layers of the random stitch embroidery technique are medium and / or short stitches, with medium stitches measuring 14±3mm and short stitches measuring 7±3mm. The relative crossing angle between the two stitches ranges from 10° to 75°.

[0048] This embodiment uses chameleon embroidery as an example, but the invention is not limited to this. It is applicable to biomimetic color and texture representation, such as the multi-colored gradient effect reminiscent of chameleon skin, or other high-end artistic embroidery creations requiring complex color layers, gloss variations, and texture transitions. The visual advantage of this invention lies in its ability to achieve a natural gradient from dark shadows to multi-colored transitions, ultimately ending in light colors and highlights, on a macroscopic level. On a microscopic level, because the same embroidery thread already contains a combination of multi-colored threads, each stitch possesses multiple colors, naturally forming rich mixed color gradations and gloss variations when threads overlap. It is suitable for artistic embroidery works that express high precision, rich color layers, and detailed textures, such as the reproduction of complex biomimetic patterns like chameleons.

[0049] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. An embroidery method based on the mixing of mulberry silk threads according to the color ratio to achieve a gradient color effect. The method is to use embroidery needles and threads to embroider on the embroidery base material according to the pre-made pattern and the pre-planned embroidery method, so as to form an embroidery pattern with a gradient color effect. Its features are: The embroidery thread is composed of multiple strands of the same hue or multiple strands of different hues. Each strand consists of several strands of the same hue but different brightness, which are mixed and arranged in parallel or slightly twisted according to a predetermined brightness ratio. The strands of the same hue in each strand are divided into four types according to their brightness, from dark to light: dark, medium, light, and high-gloss. In embroidery, multiple strands of silk thread of the same hue with different brightness are mixed in the same stitch, or multiple strands of different hues with different brightness in each stitch. In this way, each stitch has a color with the same hue but different brightness, or a color with different hues but different brightness, so as to achieve micro-color gradation. The embroidery method involves dividing the entire embroidery pattern into three embroidery layers and embroidering them sequentially: the bottom layer, the middle layer, and the top layer, and using silk threads with different predetermined brightness ratios for each layer. (1) Underlying embroidery: The bottom layer is the outline of the embroidery pattern. When embroidering, after the hue of the embroidery thread is selected, the brightness of the embroidery thread is mainly dark. By using the random stitch direction and length of the random stitch method, the outline and shadow tone of the pattern are outlined on the embroidery base. The predetermined brightness ratio of the embroidery thread used in the base embroidery is as follows: Darker threads comprise 60% to 70% of the total number of threads per strand, and are used to establish shadows and outline tones. The number of intermediate-colored threads accounts for 20% to 30% of the total number of threads per thread, providing a buffer color gradation for subsequent gradations; The number of light-colored and / or high-gloss colored threads accounts for 0 to 10% of the total number of threads per thread, which is used to break the excessive dullness and give the bottom layer a slight color undulation; (2) Middle layer embroidery: The middle layer is the coloring layer for the embroidery pattern. When embroidering, after the hue of the embroidery thread is selected, the proportion of intermediate and highlight colors is increased. The random stitch is layered on the bottom layer, and the stitches are kept loose so that the dark bottom layer can show through to form a soft gradient, so that the overall tone transitions to a rich and light color gradient. The predetermined brightness ratio of the embroidery thread used in the middle layer embroidery is as follows: The proportion of intermediate-colored threads to the total number of threads per thread is 50% to 60%. At this time, the proportion of intermediate-colored threads is higher than that of intermediate-colored threads in the bottom layer, making the dark bottom layer appear faintly visible. The number of light-colored threads accounts for 30% to 40% of the total number of threads per thread, providing a significant gradient. The number of high-gloss colored threads accounts for 5% to 10% of the total number of threads per thread, serving as an intermediate embellishment to form a base layer for the upper high-gloss; (3) Upper layer embroidery: The upper layer is an embellishment layer for the embroidery pattern. When embroidering, after the hue of the embroidery thread is selected, the proportion of light and bright colors is increased. Short, scattered random stitches are used to embroider and embellish key details, forming a dynamic gradient effect with subtle shimmer. The predetermined brightness ratio of the embroidery thread used in the upper layer of embroidery is as follows: The number of light-colored and high-gloss colored threads accounts for 45% to 55% of the total number of threads per thread, which enhances local highlights and surface shimmer. The number of intermediate-colored threads accounts for 35% to 45% of the total number of threads per thread, so that the highlights are not too abrupt and can be smoothly connected with the colors of the middle layer. The number of dark-colored threads accounts for 5% to 10% of the total number of threads per thread, which is used to increase subtle contrast and maintain overall color balance; The layering of the bottom, middle, and top layers creates a microscopic blend of dark, mid, light, and highlight colors, while the macroscopic layer displays a natural and smooth gradient of colors and subtle light and shadow effects.

2. The embroidery method for achieving a gradient color effect based on the mixing of mulberry silk threads according to a color separation ratio, as described in claim 1, is characterized in that: After the upper layer of embroidery is completed, the next step is to make detailed adjustments. These adjustments are made by using patch embroidery to fine-tune the local color gradient transitions based on the overall look, and by appropriately increasing or decreasing the stitch density of a certain color to ensure that the colors of each layer are connected naturally and have rich layers.

3. The embroidery method for achieving a gradient color effect based on the mixing of mulberry silk threads according to a color separation ratio, as described in claim 1, is characterized in that: Hue refers to the name that can accurately represent a certain color. Hue can be divided into primary color and secondary color.

4. The embroidery method for achieving a gradient color effect based on the mixing of mulberry silk threads according to color separation ratio as described in claim 1, characterized in that: Brightness refers to the lightness or darkness of a color.

5. The embroidery method for achieving a gradient color effect based on the mixing of mulberry silk threads according to a color separation ratio, as described in claim 1, is characterized in that: The basic unit of the random stitch embroidery technique consists of two stitches, which are arranged at an angle.

6. The embroidery method for achieving a gradient color effect based on the mixing of mulberry silk threads according to a color separation ratio, as described in claim 5, is characterized in that: The random stitch technique used in the middle and upper layers employs medium and / or short stitch lengths, with medium stitches measuring 14±3mm and short stitches measuring 7±3mm. The relative angle between the two stitches is 10°-75°.

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