Connecting emotions to color cues. Color theory, based on the hue scale invented by Sir Isaac Newton, posits that colors carry both positive and negative emotions, influencing perception and response.

Isaac Newton's personal copy of the 1717 second edition of Opticks, ... Based on his theory of color, Newton concluded that refracting telescope lenses would be plagued by chromatic aberrations ...

Sir Isaac Newton wrote his theory of gravity in a home-made ink created with beer as a key ingredient, a study suggests.. The physicist published his theory of calculus, his three eponymous laws ...