The hand-book of household scienceA popular account of heat, light, air, aliment, and cleansing, in their scientific principles and domestic . A. NEW SYSTEM OF ARRANGING THEM. 91 Fig. and red produce violet, therefore violet is the of yel-low, as seen in Fig. , we look uponblue (Fig. 42) ; red andyellow are required tocomplete the circle intowhiteness ; hut red andyellow make orange,therefore orange is thecomplement of blue, asis shown in Fig. 43. 161. Tints and Shades, Tones and Scales.—These terms have formerlybeen employed in the most loose and in
The hand-book of household scienceA popular account of heat, light, air, aliment, and cleansing, in their scientific principles and domestic . A. NEW SYSTEM OF ARRANGING THEM. 91 Fig. and red produce violet, therefore violet is the of yel-low, as seen in Fig. , we look uponblue (Fig. 42) ; red andyellow are required tocomplete the circle intowhiteness ; hut red andyellow make orange,therefore orange is thecomplement of blue, asis shown in Fig. 43. 161. Tints and Shades, Tones and Scales.—These terms have formerlybeen employed in the most loose and indefinite way; they have, how-ever, noAv acquired a kind of scientific precision. The tones of a colorare those aspects which it presents when altered from its maximumof brightness or highest intensity, by mixing with it either white orblack : if we take the purest and brightest red as a standard, say car-mine, and mingle various proportions of black with it, we of coursedarken it and get deeper tones of red. If we mingle white with it,we lighten it and get lighter tones of red. By the addition of blackthe red is said to be sJiaded, by the addition of white it is color, in this case,
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