What color is #178C51?

#178C51 is a dark, moderate green, closest to the named color Later Gator. It belongs to the green family of colors.

What is the RGB value of #178C51?

The RGB value is 23, 140, 81: 23 red, 140 green and 81 blue on a 0 to 255 scale.

What is the complementary color of #178C51?

The complementary color is #8C1752, found by rotating the hue 180° on the color wheel.

Is black or white text better on #178C51?

Black text. Black text has a contrast ratio of 4.91:1 and white text 4.28:1. WCAG asks for at least 4.5:1 for normal text.

#178C51 color

#178C51 rgb(23, 140, 81)

Shades of green

The hex color #178C51 is a dark, moderate green.

In the RGB color model it is made of 9% red, 54.9% green and 31.8% blue (23, 140, 81).

Its hue angle is 150°, with 72% saturation and 32% lightness. For print, the CMYK equivalent is 84% cyan, 0% magenta, 42% yellow and 45% black.

The closest named color is Later Gator (#008A51), a difference of 1.2 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 4.91:1).

#178C51 color codes

HEX	`#178C51`
RGB	`rgb(23, 140, 81)`
RGB percent	`rgb(9%, 54.9%, 31.8%)`
HSL	`hsl(150, 72%, 32%)`
HSV / HSB	`hsv(150, 84%, 55%)`
CMYK	`cmyk(84%, 0%, 42%, 45%)`
CIE LAB	`lab(51.3, -44.85, 23)`
CIE LCH	`lch(51.3, 50.41, 152.85)`
CIE XYZ	`xyz(11.216, 19.531, 10.962)`
Decimal	`1543249`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #178C51, 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 #178C51	Ratio	AA	AAA	AA large
Sample text	4.91:1	Pass	Fail	Pass
Sample text	4.28:1	Fail	Fail	Pass

#178C51 as text on	Ratio	AA	AAA	AA large
Sample text	4.28:1	Fail	Fail	Pass
Sample text	4.91:1	Pass	Fail	Pass

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 #178C51 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #178c51; }
.text { color: #178c51; }
.border { border: 2px solid #178c51; }
.transparent { background-color: rgb(23 140 81 / 50%); }
.gradient { background: linear-gradient(to right, #178c51, #178c8b); }

Background

Text color

Border

Similar colors

Questions

What color is #178C51?: #178C51 is a dark, moderate green, closest to the named color Later Gator. It belongs to the green family of colors.
What is the RGB value of #178C51?: The RGB value is 23, 140, 81: 23 red, 140 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #178C51?: The complementary color is #8C1752, found by rotating the hue 180° on the color wheel.
Is black or white text better on #178C51?: Black text. Black text has a contrast ratio of 4.91:1 and white text 4.28:1. WCAG asks for at least 4.5:1 for normal text.