Modern chromatics, with applications to art and industry (1879)
Rood, Ogden N. (Ogden Nicholas), 1831-1902 · New York, D. Appleton and Company · leaf 177
MODERN CHROMATICS. 168 that 50 parts of red were neutralized by. 31 parts of emer- ald-green and 19 parts of artificial ultramarine-blue ; the three colours gave a grey identical with that furnished by 13 parts white and 87 black. Putting this in the form of an equation, we have : 50 red + 31 em.… … Tig. 71.— Disks of Emerald-green Fie. 70.— Emerald-green and TTl- and Ultramarine-blue arranged tramarine-blue Disks arranged so as to neutralize Ued and pro- so as to give a Colour Comple- mentary to Eod. duce wi til it a Pure Grey. Cen- tral Black and White Disk for tlie production of a Pure…
Color · Painting · Color in art
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