Absorption spectrum-based special printing color matching method
An absorption spectrum and spot color technology, which is applied in the field of printing spot color matching based on absorption spectrum, can solve the problems of inaccurate color matching ratio, large influence of subjective factors, and large material waste, so as to improve color matching accuracy, reduce waste, and reduce waste Effect
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[0065] The present invention will be described in detail below with reference to the drawings and specific embodiments.
[0066] The present invention provides a color matching method for printing spot colors based on absorption spectrum. The process is as follows figure 1 As shown, follow the steps below:
[0067] Step 1. Choose a white printing material as the printing base of primary color ink for standardization of primary color ink;
[0068] Step 2. Standardization of primary color ink:
[0069] Primary color ink standardization is to calibrate and convert primary color ink into primary color ink used for formula calculation and color matching. The specific method of primary color ink standardization is:
[0070] Dilute the n primary color inks and diluents according to a certain ratio, print the color sample scales with different dilution rates of the primary color ink on the printing material selected in step 1, and measure the L* of the different dot area ratios under different...
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