What color is #181A11?

#181A11 is a very dark, grayish yellow-green, closest to the named color Underworld. It belongs to the black family of colors.

What is the RGB value of #181A11?

The RGB value is 24, 26, 17: 24 red, 26 green and 17 blue on a 0 to 255 scale.

What is the complementary color of #181A11?

The complementary color is #13111A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #181A11?

White text. Black text has a contrast ratio of 1.19:1 and white text 17.58:1. WCAG asks for at least 4.5:1 for normal text.

#181A11 color

#181A11 rgb(24, 26, 17)

Shades of black

The hex color #181A11 is a very dark, grayish yellow-green.

In the RGB color model it is made of 9.4% red, 10.2% green and 6.7% blue (24, 26, 17).

Its hue angle is 73°, with 21% saturation and 8% lightness. For print, the CMYK equivalent is 8% cyan, 0% magenta, 35% yellow and 90% black.

The closest named color is Underworld (#1E231C), a difference of 3.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.58:1).

#181A11 color codes

HEX	`#181A11`
RGB	`rgb(24, 26, 17)`
RGB percent	`rgb(9.4%, 10.2%, 6.7%)`
HSL	`hsl(73, 21%, 8%)`
HSV / HSB	`hsv(73, 35%, 10%)`
CMYK	`cmyk(8%, 0%, 35%, 90%)`
CIE LAB	`lab(8.77, -3.09, 5.48)`
CIE LCH	`lch(8.77, 6.29, 119.38)`
CIE XYZ	`xyz(0.847, 0.973, 0.673)`
Decimal	`1579537`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #181A11, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #181A11	Ratio	AA	AAA	AA large
Sample text	1.19:1	Fail	Fail	Fail
Sample text	17.58:1	Pass	Pass	Pass

#181A11 as text on	Ratio	AA	AAA	AA large
Sample text	17.58:1	Pass	Pass	Pass
Sample text	1.19:1	Fail	Fail	Fail

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #181A11 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #181a11; }
.text { color: #181a11; }
.border { border: 2px solid #181a11; }
.transparent { background-color: rgb(24 26 17 / 50%); }
.gradient { background: linear-gradient(to right, #181a11, #131a11); }

Background

Text color

Border

Similar colors

Closest common color name: Off Black.

Questions

What color is #181A11?: #181A11 is a very dark, grayish yellow-green, closest to the named color Underworld. It belongs to the black family of colors.
What is the RGB value of #181A11?: The RGB value is 24, 26, 17: 24 red, 26 green and 17 blue on a 0 to 255 scale.
What is the complementary color of #181A11?: The complementary color is #13111A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #181A11?: White text. Black text has a contrast ratio of 1.19:1 and white text 17.58:1. WCAG asks for at least 4.5:1 for normal text.