What color is #09210B?

#09210B is a very dark, moderate green, closest to the named color Nightmare. It belongs to the black family of colors.

What is the RGB value of #09210B?

The RGB value is 9, 33, 11: 9 red, 33 green and 11 blue on a 0 to 255 scale.

What is the complementary color of #09210B?

The complementary color is #21091F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #09210B?

White text. Black text has a contrast ratio of 1.23:1 and white text 17.02:1. WCAG asks for at least 4.5:1 for normal text.

#09210B color

#09210B rgb(9, 33, 11)

Shades of black

The hex color #09210B is a very dark, moderate green.

In the RGB color model it is made of 3.5% red, 12.9% green and 4.3% blue (9, 33, 11).

Its hue angle is 125°, with 57% saturation and 8% lightness. For print, the CMYK equivalent is 73% cyan, 0% magenta, 67% yellow and 87% black.

The closest named color is Nightmare (#112211), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.02:1).

#09210B color codes

HEX	`#09210B`
RGB	`rgb(9, 33, 11)`
RGB percent	`rgb(3.5%, 12.9%, 4.3%)`
HSL	`hsl(125, 57%, 8%)`
HSV / HSB	`hsv(125, 73%, 13%)`
CMYK	`cmyk(73%, 0%, 67%, 87%)`
CIE LAB	`lab(10.33, -15.17, 10.6)`
CIE LCH	`lch(10.33, 18.51, 145.07)`
CIE XYZ	`xyz(0.717, 1.17, 0.505)`
Decimal	`598283`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #09210B, 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 #09210B	Ratio	AA	AAA	AA large
Sample text	1.23:1	Fail	Fail	Fail
Sample text	17.02:1	Pass	Pass	Pass

#09210B as text on	Ratio	AA	AAA	AA large
Sample text	17.02:1	Pass	Pass	Pass
Sample text	1.23:1	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 #09210B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #09210b; }
.text { color: #09210b; }
.border { border: 2px solid #09210b; }
.transparent { background-color: rgb(9 33 11 / 50%); }
.gradient { background: linear-gradient(to right, #09210b, #092117); }

Background

Text color

Border

Similar colors

Closest common color name: British Racing Green.

Questions

What color is #09210B?: #09210B is a very dark, moderate green, closest to the named color Nightmare. It belongs to the black family of colors.
What is the RGB value of #09210B?: The RGB value is 9, 33, 11: 9 red, 33 green and 11 blue on a 0 to 255 scale.
What is the complementary color of #09210B?: The complementary color is #21091F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #09210B?: White text. Black text has a contrast ratio of 1.23:1 and white text 17.02:1. WCAG asks for at least 4.5:1 for normal text.