What color is #121B0B?

#121B0B is a very dark, desaturated green, closest to the named color Cosmic Bit Flip. It belongs to the black family of colors.

What is the RGB value of #121B0B?

The RGB value is 18, 27, 11: 18 red, 27 green and 11 blue on a 0 to 255 scale.

What is the complementary color of #121B0B?

The complementary color is #140B1B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #121B0B?

White text. Black text has a contrast ratio of 1.19:1 and white text 17.69:1. WCAG asks for at least 4.5:1 for normal text.

#121B0B color

#121B0B rgb(18, 27, 11)

Shades of black

The hex color #121B0B is a very dark, desaturated green.

In the RGB color model it is made of 7.1% red, 10.6% green and 4.3% blue (18, 27, 11).

Its hue angle is 94°, with 42% saturation and 7% lightness. For print, the CMYK equivalent is 33% cyan, 0% magenta, 59% yellow and 89% black.

The closest named color is Cosmic Bit Flip (#001000), a difference of 3.9 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.69:1).

#121B0B color codes

HEX	`#121B0B`
RGB	`rgb(18, 27, 11)`
RGB percent	`rgb(7.1%, 10.6%, 4.3%)`
HSL	`hsl(94, 42%, 7%)`
HSV / HSB	`hsv(94, 59%, 11%)`
CMYK	`cmyk(33%, 0%, 59%, 89%)`
CIE LAB	`lab(8.45, -7.68, 7.99)`
CIE LCH	`lch(8.45, 11.08, 133.88)`
CIE XYZ	`xyz(0.702, 0.937, 0.46)`
Decimal	`1186571`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #121B0B, 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 #121B0B	Ratio	AA	AAA	AA large
Sample text	1.19:1	Fail	Fail	Fail
Sample text	17.69:1	Pass	Pass	Pass

#121B0B as text on	Ratio	AA	AAA	AA large
Sample text	17.69:1	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 #121B0B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #121b0b; }
.text { color: #121b0b; }
.border { border: 2px solid #121b0b; }
.transparent { background-color: rgb(18 27 11 / 50%); }
.gradient { background: linear-gradient(to right, #121b0b, #0b1b0c); }

Background

Text color

Border

Similar colors

Closest common color name: Off Black.

Questions

What color is #121B0B?: #121B0B is a very dark, desaturated green, closest to the named color Cosmic Bit Flip. It belongs to the black family of colors.
What is the RGB value of #121B0B?: The RGB value is 18, 27, 11: 18 red, 27 green and 11 blue on a 0 to 255 scale.
What is the complementary color of #121B0B?: The complementary color is #140B1B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #121B0B?: White text. Black text has a contrast ratio of 1.19:1 and white text 17.69:1. WCAG asks for at least 4.5:1 for normal text.