What color is #001B01?

#001B01 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 #001B01?

The RGB value is 0, 27, 1: 0 red, 27 green and 1 blue on a 0 to 255 scale.

What is the complementary color of #001B01?

The complementary color is #1B001A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #001B01?

White text. Black text has a contrast ratio of 1.16:1 and white text 18.15:1. WCAG asks for at least 4.5:1 for normal text.

#001B01 color

#001B01 rgb(0, 27, 1)

Shades of black

The hex color #001B01 is a very dark, vivid green.

In the RGB color model it is made of 0% red, 10.6% green and 0.4% blue (0, 27, 1).

Its hue angle is 122°, with 100% saturation and 5% lightness. For print, the CMYK equivalent is 100% cyan, 0% magenta, 96% yellow and 89% black.

The closest named color is Nightmare (#112211), a difference of 3.3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 18.15:1).

#001B01 color codes

HEX	`#001B01`
RGB	`rgb(0, 27, 1)`
RGB percent	`rgb(0%, 10.6%, 0.4%)`
HSL	`hsl(122, 100%, 5%)`
HSV / HSB	`hsv(122, 100%, 11%)`
CMYK	`cmyk(100%, 0%, 96%, 89%)`
CIE LAB	`lab(7.1, -14.32, 9.96)`
CIE LCH	`lch(7.1, 17.45, 145.19)`
CIE XYZ	`xyz(0.397, 0.786, 0.159)`
Decimal	`6913`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #001B01, 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 #001B01	Ratio	AA	AAA	AA large
Sample text	1.16:1	Fail	Fail	Fail
Sample text	18.15:1	Pass	Pass	Pass

#001B01 as text on	Ratio	AA	AAA	AA large
Sample text	18.15:1	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 #001B01 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #001b01; }
.text { color: #001b01; }
.border { border: 2px solid #001b01; }
.transparent { background-color: rgb(0 27 1 / 50%); }
.gradient { background: linear-gradient(to right, #001b01, #001b0e); }

Background

Text color

Border

Similar colors

Closest common color name: British Racing Green.

Questions

What color is #001B01?: #001B01 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 #001B01?: The RGB value is 0, 27, 1: 0 red, 27 green and 1 blue on a 0 to 255 scale.
What is the complementary color of #001B01?: The complementary color is #1B001A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #001B01?: White text. Black text has a contrast ratio of 1.16:1 and white text 18.15:1. WCAG asks for at least 4.5:1 for normal text.