White reflects the ambient light and so when we are outside, white is actually quite blue when measured by a machine that just reports reflected wavelengths. “But the visual system isn't a dumb ...

For the record, the dress is definitely black and blue. But it appears white and gold to some people due to a phenomenon called color constancy and the way that our brains interpret colors.

Each colour within the visible ... An object appears to be black if it absorbs all the wavelengths of visible light. For example, an object that appears blue in white light will appear black ...

Discover where black falls on the color spectrum and how human perception of colors is subjective and context-dependent in this insightful article.