What color is #031B00?

#031B00 is a very dark, vivid green, closest to the named color Nightmare. It belongs to the black family of colors.

What is the RGB value of #031B00?

The RGB value is 3, 27, 0: 3 red, 27 green and 0 blue on a 0 to 255 scale.

What is the complementary color of #031B00?

The complementary color is #18001B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #031B00?

White text. Black text has a contrast ratio of 1.16:1 and white text 18.09:1. WCAG asks for at least 4.5:1 for normal text.

#031B00 color

#031B00 rgb(3, 27, 0)

Shades of black

The hex color #031B00 is a very dark, vivid green.

In the RGB color model it is made of 1.2% red, 10.6% green and 0% blue (3, 27, 0).

Its hue angle is 113°, with 100% saturation and 5% lightness. For print, the CMYK equivalent is 89% cyan, 0% magenta, 100% yellow and 89% black.

The closest named color is Nightmare (#112211), a difference of 3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 18.09:1).

#031B00 color codes

HEX	`#031B00`
RGB	`rgb(3, 27, 0)`
RGB percent	`rgb(1.2%, 10.6%, 0%)`
HSL	`hsl(113, 100%, 5%)`
HSV / HSB	`hsv(113, 100%, 11%)`
CMYK	`cmyk(89%, 0%, 100%, 89%)`
CIE LAB	`lab(7.26, -13.68, 10.62)`
CIE LCH	`lch(7.26, 17.31, 142.19)`
CIE XYZ	`xyz(0.429, 0.803, 0.132)`
Decimal	`203520`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #031B00, 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 #031B00	Ratio	AA	AAA	AA large
Sample text	1.16:1	Fail	Fail	Fail
Sample text	18.09:1	Pass	Pass	Pass

#031B00 as text on	Ratio	AA	AAA	AA large
Sample text	18.09:1	Pass	Pass	Pass
Sample text	1.16:1	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 #031B00 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #031b00; }
.text { color: #031b00; }
.border { border: 2px solid #031b00; }
.transparent { background-color: rgb(3 27 0 / 50%); }
.gradient { background: linear-gradient(to right, #031b00, #001b0a); }

Background

Text color

Border

Similar colors

Closest common color name: British Racing Green.

Questions

What color is #031B00?: #031B00 is a very dark, vivid green, closest to the named color Nightmare. It belongs to the black family of colors.
What is the RGB value of #031B00?: The RGB value is 3, 27, 0: 3 red, 27 green and 0 blue on a 0 to 255 scale.
What is the complementary color of #031B00?: The complementary color is #18001B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #031B00?: White text. Black text has a contrast ratio of 1.16:1 and white text 18.09:1. WCAG asks for at least 4.5:1 for normal text.