You're probably talking about something else, but isn't it supposed to be Red-Green-Blue and not Red-Blue-Yellow?
Op 19 maart 2012 17:10 schreef Ian Mallett <geometr...@gmail.com> het volgende: > On Mon, Mar 19, 2012 at 9:49 AM, Russell Jones <russell.jo...@gmail.com>wrote: > >> Great news :) I liked IYOCGwP and have mentioned it here before now. >> >> BTW, on page 34 of the new book you write "(Red, blue, and yellow are >> the primary colors for paints and pigments, but the computer monitor uses >> light, not paint.)" >> >> The primary colours for pigment and paint are cyan, yellow and magenta, >> no? >> >> Russell >> > There is a "color space" that defines all possible colors. "Primary > colors" are the colors we choose as basis vectors. Both red-blue-yellow > and cyan-magenta-yellow are valid basis vectors; the former more often used > in painting, the latter more often used in printing. > Ian >
