What color is #011F01?

#011F01 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 #011F01?

The RGB value is 1, 31, 1: 1 red, 31 green and 1 blue on a 0 to 255 scale.

What is the complementary color of #011F01?

The complementary color is #1F011F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #011F01?

White text. Black text has a contrast ratio of 1.2:1 and white text 17.53:1. WCAG asks for at least 4.5:1 for normal text.

#011F01 color

#011F01 rgb(1, 31, 1)

Shades of black

The hex color #011F01 is a very dark, vivid green.

In the RGB color model it is made of 0.4% red, 12.2% green and 0.4% blue (1, 31, 1).

Its hue angle is 120°, with 94% saturation and 6% lightness. For print, the CMYK equivalent is 97% cyan, 0% magenta, 97% yellow and 88% black.

The closest named color is Nightmare (#112211), a difference of 4.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.53:1).

#011F01 color codes

HEX	`#011F01`
RGB	`rgb(1, 31, 1)`
RGB percent	`rgb(0.4%, 12.2%, 0.4%)`
HSL	`hsl(120, 94%, 6%)`
HSV / HSB	`hsv(120, 97%, 12%)`
CMYK	`cmyk(97%, 0%, 97%, 88%)`
CIE LAB	`lab(8.9, -17.54, 12.58)`
CIE LCH	`lch(8.9, 21.58, 144.34)`
CIE XYZ	`xyz(0.508, 0.989, 0.193)`
Decimal	`73473`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #011F01, 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 #011F01	Ratio	AA	AAA	AA large
Sample text	1.2:1	Fail	Fail	Fail
Sample text	17.53:1	Pass	Pass	Pass

#011F01 as text on	Ratio	AA	AAA	AA large
Sample text	17.53:1	Pass	Pass	Pass
Sample text	1.2:1	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 #011F01 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #011f01; }
.text { color: #011f01; }
.border { border: 2px solid #011f01; }
.transparent { background-color: rgb(1 31 1 / 50%); }
.gradient { background: linear-gradient(to right, #011f01, #011f10); }

Background

Text color

Border

Similar colors

Closest common color name: British Racing Green.

Questions

What color is #011F01?: #011F01 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 #011F01?: The RGB value is 1, 31, 1: 1 red, 31 green and 1 blue on a 0 to 255 scale.
What is the complementary color of #011F01?: The complementary color is #1F011F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #011F01?: White text. Black text has a contrast ratio of 1.2:1 and white text 17.53:1. WCAG asks for at least 4.5:1 for normal text.