What color is #182318?

#182318 is a very dark, grayish green, closest to the named color Nightmare. It belongs to the black family of colors.

What is the RGB value of #182318?

The RGB value is 24, 35, 24: 24 red, 35 green and 24 blue on a 0 to 255 scale.

What is the complementary color of #182318?

The complementary color is #231823, found by rotating the hue 180° on the color wheel.

Is black or white text better on #182318?

White text. Black text has a contrast ratio of 1.29:1 and white text 16.25:1. WCAG asks for at least 4.5:1 for normal text.

#182318 color

#182318 rgb(24, 35, 24)

Shades of black

The hex color #182318 is a very dark, grayish green.

In the RGB color model it is made of 9.4% red, 13.7% green and 9.4% blue (24, 35, 24).

Its hue angle is 120°, with 19% saturation and 12% lightness. For print, the CMYK equivalent is 31% cyan, 0% magenta, 31% yellow and 86% black.

The closest named color is Nightmare (#112211), a difference of 3.9 ΔE, a small difference.

White text is the more readable choice on this background (contrast 16.25:1).

#182318 color codes

HEX	`#182318`
RGB	`rgb(24, 35, 24)`
RGB percent	`rgb(9.4%, 13.7%, 9.4%)`
HSL	`hsl(120, 19%, 12%)`
HSV / HSB	`hsv(120, 31%, 14%)`
CMYK	`cmyk(31%, 0%, 31%, 86%)`
CIE LAB	`lab(12.37, -7.73, 5.85)`
CIE LCH	`lch(12.37, 9.69, 142.85)`
CIE XYZ	`xyz(1.143, 1.462, 1.086)`
Decimal	`1581848`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #182318, 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 #182318	Ratio	AA	AAA	AA large
Sample text	1.29:1	Fail	Fail	Fail
Sample text	16.25:1	Pass	Pass	Pass

#182318 as text on	Ratio	AA	AAA	AA large
Sample text	16.25:1	Pass	Pass	Pass
Sample text	1.29:1	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 #182318 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #182318; }
.text { color: #182318; }
.border { border: 2px solid #182318; }
.transparent { background-color: rgb(24 35 24 / 50%); }
.gradient { background: linear-gradient(to right, #182318, #18231d); }

Background

Text color

Border

Similar colors

Closest common color name: Onyx.

Questions

What color is #182318?: #182318 is a very dark, grayish green, closest to the named color Nightmare. It belongs to the black family of colors.
What is the RGB value of #182318?: The RGB value is 24, 35, 24: 24 red, 35 green and 24 blue on a 0 to 255 scale.
What is the complementary color of #182318?: The complementary color is #231823, found by rotating the hue 180° on the color wheel.
Is black or white text better on #182318?: White text. Black text has a contrast ratio of 1.29:1 and white text 16.25:1. WCAG asks for at least 4.5:1 for normal text.