Ключевые слова: abstract, additive, background, black, blue, calibration, cellular, checked, colorful, complementary, design, diagram, difference, element, graphic, illustration, infographic, ink, light, mix, optics, paint, palette, paper, pattern, polygraph, poster, primary, print, rainbow, red, sample, scale, scheme, science, secondary, sign, spectrum, square, striped, symbol, synthesis, system, technology, test, textile, view, white,