Color #010100

In the Register's classification, #010100 belongs to the Yellow Color Family, featuring Full Saturation and Very Dark brightness. The mix behind it: rgb(1, 1, 0) — 0.4% red, 0.4% green, 0% blue; the print equivalent is CMYK 0 / 0 / 0 / 100. Curious how these numbers work? Read our RGB color codes guide.

The color #010100 reads as a maximally vivid golden yellow and sits very close to black. Expect to see shades like this in night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Black (#000000). Its next-closest registered neighbors are Fashion Black (#060403) and Nicalis Black (#080000).

The recipe behind #010100 is rgb(1, 1, 0), with red as the dominant ingredient. If you plan to put text on a #010100 background, choose white — the contrast ratio is 20.9:1 (passing WCAG AAA), while black manages only 1.0:1. On paper it relies strongly on black ink (K:100), so proof dark layouts before a large print run. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.