The K in CMYK can can stand for either blacK or Key colour.
The "K" in CMYK stands for key since in four-color printing cyan, magenta, and yellow printing plates are carefully keyed or aligned with the key of the black.
Suggesting that the "K" in CMYK comes from the last letter in "black" and was chosen because B already means is incorrect.
Courtesy of Wikipedia;
http://en.wikipedia.org/wiki/CMYK_color_model
C in cmyk is cyan
K is used to represent Black in CMYK because B is already used for Blue in RGB.
CMYK stands for- C= Cyan, M=Magenta, Y=Yellow, K=Black
C = Cyan M = Magenta Y = Yellow K = Key
cmyk color c=100 m=72 y=0 k=30
sepia cmyk 0%, 60%, 81%, 63%
K is used to represent Black in CMYK because B is already used for Blue in RGB.
Cyan, magenta, yellow, and key (black)
CMYK stands for- C= Cyan, M=Magenta, Y=Yellow, K=Black
C = Cyan M = Magenta Y = Yellow K = Key
cmyk color c=100 m=72 y=0 k=30
cmyk color c=100 m=72 y=0 k=30
C-37 m-36 y-61 k-4
It's Pantone 363U and its variants on CMYK or JPEG.
PC = process coated ec = euro coated
sepia cmyk 0%, 60%, 81%, 63%
CMYK - EP - was created on 2010-05-28.
The dominant colors are red and yellow in the following CMYK delineations.Red: CMYK (%) 0-90-80-5Yellow: CMYK (%) 0-15-95-0There is also the seal of the Kingdom of Spain, which has numerous colors on it.