A world devoid of colour would be vastly different—dull, lifeless, and lacking the vibrancy that makes life so captivating. Colour shapes our emotions, influences our perceptions, and brings a unique ...

The story goes that the lyrics to “Black and Blue,” the jazz standard popularized by Louis Armstrong, were written at ...

The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But ...