Four color rendering table spelling

What value is used to get the closest effect? There are two ways to do this: (a) Find the closest color block in the four-color color table with the color ticket selected, record the value, and apply it to the software. (2) Using some color management software, type the number of spot colors or read the color data with the instrument, and use the four-color ICC profile to find the closest color combination.

Four color rendering table spelling

The Color Color Chart published in different places.
Match the spot color office with the four-color color table to find the closest four-color dot value.

X-Rite ColorShop Color Management Software

(1) Use a spectrophotometer to measure a spot color sample or color.

(2) The spectrophotometer can read the spectral spectral values ​​of spot colors.

(3) Different readings are calculated by the software.

(4) The software finds the closest spot color number in the spot color database.

(5) In the color gamut diagram of CIE x,y, this color is said to leave the color gamut range of four-color printing.

(6) Through the four-color ICC profile to find the closest CMYK dot combination, but because this spot color is out of the four color gamut, a warning signal â–³ appears, and shows the color difference value â–³E (Delta E).

(to be continued)