What does cmyk stand for in chromatography encyclopedia?

C: cyan =? Cyan, also known as' sky blue' or' blue'; M: magenta =? Magenta, also known as' magenta'; Y: yellow = yellow; K: black = black.

Four-color printing mode is a color registration mode used in color printing. Based on the principle of mixing pigment and black ink, four colors are mixed and superimposed to form the so-called "full color printing".

Spot color ink refers to a pre-mixed ink with a specific color, which is used to replace or supplement printing color (CMYK) ink, such as bright orange, green, fluorescent, metallic gold and silver ink, etc. , can also be bronzed version, concave-convex version, etc. And can also be used as a local glossy plate.

Extended data

The grayscale image of CMYK channel is similar to RGB, which is the expression form of content. RGB gray scale indicates color brightness, and CMYK gray scale indicates ink concentration. But they have different definitions of light and shade in gray-scale images:

In 1 and RGB channel grayscale images, whiter means higher brightness, and blacker means lower brightness. Pure white indicates the highest brightness, and pure black indicates zero brightness.

2. In the grayscale image of CMYK channel, whiter means lower ink content, blacker means higher ink content, and pure white means no ink at all.