Medium ruby is the color called ruby in Crayola Gem Tones, a specialty set of crayons introduced by the Crayola company in 1994.

The RAL color list originated in 1927, and it reached its present form in 1961.

Big dip o'ruby is one of the colors in the special set of metallic Crayola crayons called Metallic FX, the colors of which were formulated by Crayola in 2001.

However, there is no mechanism for displaying metallic colors on a flat computer screen.

The British Standard color lists were first formulated in 1930 and reached their present form in 1955.