ColorXprez

#151E15

Onyx · very dark cool green

About #151E15

With the hex code #151E15, this is a very dark green with a muted character. Its RGB recipe is 8% red, 12% green and 8% blue, while a printer would mix 30% cyan, 0% magenta, 30% yellow and 88% black. It reads as a cool colour.

If you had to name it, it is similar to Onyx — a ΔE of 9.5 — followed by Jet. For maximum hue contrast, pair it with its complement #1E151E, a onyx shade.

In design, a very dark colour like this works best for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 17.10:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (17.10:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red21
Green30
Blue21

Closest named colours

Onyx
#111111 · ΔE 9.5
Jet
#2B2B2B · ΔE 11.0
Black
#000000 · ΔE 13.0

ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.

Text on #151E15

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on onyx #151E15.
17.10:1AAA
Black heading text
Body copy set on onyx #151E15.
1.23:1Fail

Colour-blindness preview

How #151E15 appears to people with the three most common types of colour-vision deficiency.

Normal vision
#151E15
Protanopia (no red cones)
#1E1C14
Deuteranopia (no green cones)
#1D1B15
Tritanopia (no blue cones)
#141D1C

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #151E15?

With the hex code #151E15, this is a very dark green with a muted character. Its RGB recipe is 8% red, 12% green and 8% blue, while a printer would mix 30% cyan, 0% magenta, 30% yellow and 88% black. It reads as a cool colour.

›What text colour should I use on #151E15?

Use white text. White on #151E15 has a contrast ratio of 17.10:1 (AAA).

›What colours go with #151E15?

Its complementary colour is #1E151E, and analogous partners are #1A1E15 and #151E1A.