Color problems : a practical manual for the lay student of color (1902)
Vanderpoel, Emily Noyes, 1842-1939, Stevens, Sara R. sgn, Holahan, Elizabeth Gibson, 1903-2002. fmo · New York: Longmans, Green, and Co. · leaf 210
SPECTRAL GREEN AND ITS COMPLEMENT,PURPLE, IN THEIR RELATIVE PROPORTIONS. The gray in the centre of this plate is the gray produced by the abovetwo complements when mi;ced on a color wheel, and corresponds exactly tothe gray produced by the given amounts of black and white. (N. 6, The above… … SPECTRAL VIOLET AND ITS COMPLEMENT, YELLOW-GREEN, IN THEIR RELATIVE PROPORTIONS The gray in the centre of this plate is the gray produced by the abovetwo complements when mixed on a color wheel, and corresponds exactly tothe gray produced by the given amounts of black and white. (N. B. The above…
Color
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