What color is #182A25?

#182A25 is a very dark, desaturated spring green, closest to the named color Swamp Thing. It belongs to the black family of colors.

What is the RGB value of #182A25?

The RGB value is 24, 42, 37: 24 red, 42 green and 37 blue on a 0 to 255 scale.

What is the complementary color of #182A25?

The complementary color is #2A181D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #182A25?

White text. Black text has a contrast ratio of 1.4:1 and white text 15.04:1. WCAG asks for at least 4.5:1 for normal text.

#182A25 color

#182A25 rgb(24, 42, 37)

Shades of black

The hex color #182A25 is a very dark, desaturated spring green.

In the RGB color model it is made of 9.4% red, 16.5% green and 14.5% blue (24, 42, 37).

Its hue angle is 163°, with 27% saturation and 13% lightness. For print, the CMYK equivalent is 43% cyan, 0% magenta, 12% yellow and 84% black.

The closest named color is Swamp Thing (#162825), a difference of 1.3 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 15.04:1).

#182A25 color codes

HEX	`#182A25`
RGB	`rgb(24, 42, 37)`
RGB percent	`rgb(9.4%, 16.5%, 14.5%)`
HSL	`hsl(163, 27%, 13%)`
HSV / HSB	`hsv(163, 43%, 16%)`
CMYK	`cmyk(43%, 0%, 12%, 84%)`
CIE LAB	`lab(15.4, -8.87, 0.92)`
CIE LCH	`lch(15.4, 8.92, 174.09)`
CIE XYZ	`xyz(1.538, 1.984, 2.052)`
Decimal	`1583653`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #182A25, 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 #182A25	Ratio	AA	AAA	AA large
Sample text	1.4:1	Fail	Fail	Fail
Sample text	15.04:1	Pass	Pass	Pass

#182A25 as text on	Ratio	AA	AAA	AA large
Sample text	15.04:1	Pass	Pass	Pass
Sample text	1.4:1	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 #182A25 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #182a25; }
.text { color: #182a25; }
.border { border: 2px solid #182a25; }
.transparent { background-color: rgb(24 42 37 / 50%); }
.gradient { background: linear-gradient(to right, #182a25, #18262a); }

Background

Text color

Border

Similar colors

Closest common color name: Onyx.

Questions

What color is #182A25?: #182A25 is a very dark, desaturated spring green, closest to the named color Swamp Thing. It belongs to the black family of colors.
What is the RGB value of #182A25?: The RGB value is 24, 42, 37: 24 red, 42 green and 37 blue on a 0 to 255 scale.
What is the complementary color of #182A25?: The complementary color is #2A181D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #182A25?: White text. Black text has a contrast ratio of 1.4:1 and white text 15.04:1. WCAG asks for at least 4.5:1 for normal text.