Warm colors (on the red side of the spectrum) ignite the arousal state in individuals, characterized by an increase in adrenaline, blood pressure and heart rate.

Birds perceive 'warm' colors differently from 'cool' ones ... birds were better at distinguishing some color pairs than others, even when those pairs were equally far apart on the color spectrum.

Some may discount warm colors like gold or cool colors like blue, changing how they perceive and interpret the color spectrum. If they discount cool colors, the ball might appear to be yellow.

The number of words a given language has for colors can vary widely, from only a few—the Bassa language, spoken in Liberia, has two terms, one for the warm end of the color spectrum and one for ...

“Warm colors are in the foreground, they’re all the stuff that we interact with and want to talk about,” said Gibson. “We need to be able to talk about things which are identical except ...

Color heat level is measured using the Kelvin temperature scale, which includes a wide spectrum of colors (deep red, orange, yellow, green, blue, and violet) and temperatures (1,000 to 10,000 ...