A systematic approach to choosing colors can help us find a lineup effective for color coding. Occasionally, authors use a sequence of colors, such as the 'rainbow' color scheme, to represent a ...

“It has no justification in experiment exactly; it just represents something that he’s imposing upon the color spectrum by analogy with music.” Of his rainbow experiment Newton wrote that he had ...

Trivia aside, today’s puzzle has a delightful, colorful theme that merits a full going-over when ... display all the hues in the rainbow (ROY G BIV, in that order) which jibes with the puzzle ...