What color is #172B25?

#172B25 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 #172B25?

The RGB value is 23, 43, 37: 23 red, 43 green and 37 blue on a 0 to 255 scale.

What is the complementary color of #172B25?

The complementary color is #2B171D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #172B25?

White text. Black text has a contrast ratio of 1.41:1 and white text 14.91:1. WCAG asks for at least 4.5:1 for normal text.

#172B25 color

#172B25 rgb(23, 43, 37)

Shades of black

The hex color #172B25 is a very dark, desaturated spring green.

In the RGB color model it is made of 9% red, 16.9% green and 14.5% blue (23, 43, 37).

Its hue angle is 162°, with 30% saturation and 13% lightness. For print, the CMYK equivalent is 47% cyan, 0% magenta, 14% yellow and 83% black.

The closest named color is Swamp Thing (#162825), a difference of 2.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 14.91:1).

#172B25 color codes

HEX	`#172B25`
RGB	`rgb(23, 43, 37)`
RGB percent	`rgb(9%, 16.9%, 14.5%)`
HSL	`hsl(162, 30%, 13%)`
HSV / HSB	`hsv(162, 47%, 17%)`
CMYK	`cmyk(47%, 0%, 14%, 83%)`
CIE LAB	`lab(15.71, -9.87, 1.36)`
CIE LCH	`lch(15.71, 9.97, 172.14)`
CIE XYZ	`xyz(1.551, 2.043, 2.063)`
Decimal	`1518373`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #172B25, 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 #172B25	Ratio	AA	AAA	AA large
Sample text	1.41:1	Fail	Fail	Fail
Sample text	14.91:1	Pass	Pass	Pass

#172B25 as text on	Ratio	AA	AAA	AA large
Sample text	14.91:1	Pass	Pass	Pass
Sample text	1.41:1	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 #172B25 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #172b25; }
.text { color: #172b25; }
.border { border: 2px solid #172b25; }
.transparent { background-color: rgb(23 43 37 / 50%); }
.gradient { background: linear-gradient(to right, #172b25, #17272b); }

Background

Text color

Border

Similar colors

Closest common color name: Onyx.

Questions

What color is #172B25?: #172B25 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 #172B25?: The RGB value is 23, 43, 37: 23 red, 43 green and 37 blue on a 0 to 255 scale.
What is the complementary color of #172B25?: The complementary color is #2B171D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #172B25?: White text. Black text has a contrast ratio of 1.41:1 and white text 14.91:1. WCAG asks for at least 4.5:1 for normal text.