Quid est CMYK modus?
C, M, Y and K are Cyan, M(Magenta), Y(Yellow) , K(Black), which is the common mode used in printing. Ideally, by 100% Cyan, 100% Magenta and 100% yellow mixture can form black, but due to ink have impurities, the actual application effect is not ideal, the black is not black, but a dark brown, so added a black channel K instead of 3 kinds of color, when K is 100%, the other Tres color non operatur, hoc est bonum et potest salvum facere in II {{VI}} RGB munera colore per suum lumininescence, cum CMYK munera colore per an atramento-punctum reflectitur lumen {VIII}}
