Anyone who uses a computer will sooner or later be faced with a graphics program and will have noticed the presence of some acronyms corresponding to color scales. You may not have wondered what they refer to, but you probably remember RGB or CMYK. (1) It should first be noted that the letters, in the composition of the two acronyms, are the initials of the colours constituting them. Red, green, blue for RGB and cyan, magenta, yellow, key […]