What color is #001F1B?

#001F1B is a very dark, vivid spring green, closest to the named color Swamp Thing. It belongs to the black family of colors.

What is the RGB value of #001F1B?

The RGB value is 0, 31, 27: 0 red, 31 green and 27 blue on a 0 to 255 scale.

What is the complementary color of #001F1B?

The complementary color is #1F0004, found by rotating the hue 180° on the color wheel.

Is black or white text better on #001F1B?

White text. Black text has a contrast ratio of 1.21:1 and white text 17.33:1. WCAG asks for at least 4.5:1 for normal text.

#001F1B color

#001F1B rgb(0, 31, 27)

Shades of black

The hex color #001F1B is a very dark, vivid spring green.

In the RGB color model it is made of 0% red, 12.2% green and 10.6% blue (0, 31, 27).

Its hue angle is 172°, with 100% saturation and 6% lightness. For print, the CMYK equivalent is 100% cyan, 0% magenta, 13% yellow and 88% black.

The closest named color is Swamp Thing (#162825), a difference of 5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.33:1).

#001F1B color codes

HEX	`#001F1B`
RGB	`rgb(0, 31, 27)`
RGB percent	`rgb(0%, 12.2%, 10.6%)`
HSL	`hsl(172, 100%, 6%)`
HSV / HSB	`hsv(172, 100%, 12%)`
CMYK	`cmyk(100%, 0%, 13%, 88%)`
CIE LAB	`lab(9.47, -12.66, -0.65)`
CIE LCH	`lch(9.47, 12.68, 182.93)`
CIE XYZ	`xyz(0.688, 1.059, 1.205)`
Decimal	`7963`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #001F1B, 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 #001F1B	Ratio	AA	AAA	AA large
Sample text	1.21:1	Fail	Fail	Fail
Sample text	17.33:1	Pass	Pass	Pass

#001F1B as text on	Ratio	AA	AAA	AA large
Sample text	17.33:1	Pass	Pass	Pass
Sample text	1.21:1	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 #001F1B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #001f1b; }
.text { color: #001f1b; }
.border { border: 2px solid #001f1b; }
.transparent { background-color: rgb(0 31 27 / 50%); }
.gradient { background: linear-gradient(to right, #001f1b, #00141f); }

Background

Text color

Border

Similar colors

Closest common color name: Gunmetal.

Questions

What color is #001F1B?: #001F1B is a very dark, vivid spring green, closest to the named color Swamp Thing. It belongs to the black family of colors.
What is the RGB value of #001F1B?: The RGB value is 0, 31, 27: 0 red, 31 green and 27 blue on a 0 to 255 scale.
What is the complementary color of #001F1B?: The complementary color is #1F0004, found by rotating the hue 180° on the color wheel.
Is black or white text better on #001F1B?: White text. Black text has a contrast ratio of 1.21:1 and white text 17.33:1. WCAG asks for at least 4.5:1 for normal text.