ColorXprez

#151F19

Onyx · very dark neutral

About #151F19

#151F19 is a near-neutral, very dark shade in the green family. On screen it is built from 8% red, 12% green and 10% blue; for print, its CMYK mix is 32% cyan, 0% magenta, 19% yellow and 88% black. It is close to neutral, so it sits comfortably next to both warm and cool colours.

Of the common colour names it is similar to Onyx (ΔE 8.7); Jet comes next. Its complementary colour, directly opposite on the colour wheel, is #1F151B — a onyx tone that gives the strongest contrast in hue.

Designers tend to use very dark tones like #151F19 for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 16.91:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (16.91:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red21
Green31
Blue25

Closest named colours

Onyx
#111111 · ΔE 8.7
Jet
#2B2B2B · ΔE 9.6
Black
#000000 · ΔE 12.6

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

Text on #151F19

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on onyx #151F19.
16.91:1AAA
Black heading text
Body copy set on onyx #151F19.
1.24:1Fail

Colour-blindness preview

How #151F19 appears to people with the three most common types of colour-vision deficiency.

Normal vision
#151F19
Protanopia (no red cones)
#1F1D19
Deuteranopia (no green cones)
#1D1C19
Tritanopia (no blue cones)
#131F1D

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #151F19?

#151F19 is a near-neutral, very dark shade in the green family. On screen it is built from 8% red, 12% green and 10% blue; for print, its CMYK mix is 32% cyan, 0% magenta, 19% yellow and 88% black. It is close to neutral, so it sits comfortably next to both warm and cool colours.

›What text colour should I use on #151F19?

Use white text. White on #151F19 has a contrast ratio of 16.91:1 (AAA).

›What colours go with #151F19?

Its complementary colour is #1F151B, and analogous partners are #161F15 and #151F1E.