achromatic colour Definition

achromatic color, achromatize, chroma, gray, grays, neutral, achromat, black, color, grey, purity, saturation, white, apochromatic, blackness, brightness, grayish, grayness, greyed, greyish, greyness, whiteness, achromatism, aster, complementary wavelength, doublet, midbody, prophase, achromatopsia, adder, agouti, almond, argent, ashen, aubergine, avocado, banana, bandana, bau, bay, baying, beryl, black-and-white, blackjack, blanch, blaze, blazed, blond, blue, blueberry, bole, bones, brown, buckskin, burgundy, butternut, cardinal, carnation, chromogenic, cinereous, cobalt, coloured, colourist, colours, complementary, cream, cretaceous, crock, cyclamen, dark, darken, dichroism, discharge, drab, dun, dunning, duotone, dusky, dusty, ebon, ebony, ecru, eggshell, eye, fard, freak, fuliginous, full, fuscous, gelatin, glaucous, graphite, green, greens, grizzle, gunmetal, henna, hoar, hoary, hornblende,