#151D18
Onyx · very dark neutral
About #151D18
#151D18 is a near-neutral, very dark shade in the black family. On screen it is built from 8% red, 11% green and 9% blue; for print, its CMYK mix is 28% cyan, 0% magenta, 17% yellow and 89% black. Being nearly neutral, it pairs easily with warm and cool tones alike.
Of the common colour names it is very close to Onyx (ΔE 7.3); Jet comes next. Its complementary colour, directly opposite on the colour wheel, is #1D151A — a onyx tone that gives the strongest contrast in hue.
Designers tend to use very dark tones like #151D18 for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 17.20:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (17.20:1).
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Closest named colours
ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.
Text on #151D18
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #151D18 appears to people with the three most common types of colour-vision deficiency.
Shades, tints & matching colours
Similar colours
Frequently asked questions
›What colour is #151D18?
#151D18 is a near-neutral, very dark shade in the black family. On screen it is built from 8% red, 11% green and 9% blue; for print, its CMYK mix is 28% cyan, 0% magenta, 17% yellow and 89% black. Being nearly neutral, it pairs easily with warm and cool tones alike.
›What text colour should I use on #151D18?
Use white text. White on #151D18 has a contrast ratio of 17.20:1 (AAA).
›What colours go with #151D18?
Its complementary colour is #1D151A, and analogous partners are #161D15 and #151D1C.