Abbreviations used in aviation forecasts and warnings. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z.
Rich Black. ich Black is used to refer to a mixture containing the four process colors: cyan, magenta, yellow, and black (CMYK) colors. This is necessary because no black ink is truly black, and the combination of the four inks will result in a denser black, or ârich black.â The printing industry has many definitions of rich black.
RGB colors are additive. While in return, subtract cyan â magenta â yellow â black and you will get the RGB colors. CMYK colors are subtractive for this very reason that it starts with all colors and when colors are subtracted the outcome is white (see below color swatch, the inside color is black).GB colors are additive. While in return, subtract cyan â magenta â yellow â black and you will get the RGB colors. CMYK colors are subtractive for this very reason that it starts with all colors and when colors are subtracted the outcome is white (see below color swatch, the inside color is black).