Ever wondered why passports come in just four main colors? These hues are more than just aesthetic choices; they reflect deep-rooted historical, political, and cultural significances. Discover how the ...

The color has an unshakable hold on musicians, artists and writers. The background color is inspired by International Klein Blue, a hue that the artist Yves Klein first mixed in the 1950s, using it to ...

The color blue has many associations—metaphorically “feeling blue” as depressed, musically singing “the blues,” politically progressive “blue states,” or optimistic “blue sky” goals. But what effect ...