me yellow, b the ultramarine, and to exclude false calcul-ations as to the resulting grey, two smaller segments, iv and 5,made of black and white paper, are inserted. The foursegments were, after rotation, shifted towards each other untilan even grey tone was obtained. Measurements of the… … Fig. 12. which is composed of 0-41 parts of white and 0-59, partsof black. 036 chrome yellow + 0*62 ultramarine = 0-41 white+ 0*59 black.Such colour mixtures cannot produce the sensation of white,but only of grey, because each colour reflects only part of allcomponents of white light. We find that…
Color photography · Color printing
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