We are taught the rainbow is composed of red ... we are rarely perfectly consistent with color. The best we can say is that we generally mean roughly the same thing, give or take a few wavelengths ...

Visually, certain colors in the rainbow spectrum seem to run on ... the color wheel is transformed into a square with hue arrayed across the top and saturation decreasing from top to bottom.

Before its ruling concerning same-sex marriages, the Fukuoka District Court ordered visitors to remove or cover up anything showing rainbow colors, the symbol for the LGBT rights movement. The ...