“Colors are often represented in HSL (hue, saturation, lightness) color space,” Mineault explained to the Daily Mail. “Hue 120 is green, and hue 240 is blue.

However, blue still plays a symbolic role in Ireland: Since 1945, the flag representing the president of Ireland has a gold harp with a dark blue background – the color known as St. Patrick’s ...

Taking the test is easy. Head over to the website where you’ll be prompted to select the color blue or green (whichever you think the shade looks like to you). The hues on the screen change from ...

An object’s color appears differently under different lighting and against different backgrounds − for different viewers. But that doesn’t mean colors are subjective.