What color is #178D88?

#178D88 is a dark, moderate cyan, closest to the named color Dark Cyan. It belongs to the teal family of colors.

What is the RGB value of #178D88?

The RGB value is 23, 141, 136: 23 red, 141 green and 136 blue on a 0 to 255 scale.

What is the complementary color of #178D88?

The complementary color is #8D171C, found by rotating the hue 180° on the color wheel.

Is black or white text better on #178D88?

Black text. Black text has a contrast ratio of 5.2:1 and white text 4.04:1. WCAG asks for at least 4.5:1 for normal text.

#178D88 color

#178D88 rgb(23, 141, 136)

Shades of teal

The hex color #178D88 is a dark, moderate cyan.

In the RGB color model it is made of 9% red, 55.3% green and 53.3% blue (23, 141, 136).

Its hue angle is 177°, with 72% saturation and 32% lightness. For print, the CMYK equivalent is 84% cyan, 0% magenta, 4% yellow and 45% black.

The closest named color is Dark Cyan (#008B8B), a difference of 2.1 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 5.2:1).

#178D88 color codes

HEX	`#178D88`
RGB	`rgb(23, 141, 136)`
RGB percent	`rgb(9%, 55.3%, 53.3%)`
HSL	`hsl(177, 72%, 32%)`
HSV / HSB	`hsv(177, 84%, 55%)`
CMYK	`cmyk(84%, 0%, 4%, 45%)`
CIE LAB	`lab(52.96, -31.18, -6.12)`
CIE LCH	`lch(52.96, 31.77, 191.1)`
CIE XYZ	`xyz(14.32, 21.008, 26.588)`
Decimal	`1543560`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #178D88, 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 #178D88	Ratio	AA	AAA	AA large
Sample text	5.2:1	Pass	Fail	Pass
Sample text	4.04:1	Fail	Fail	Pass

#178D88 as text on	Ratio	AA	AAA	AA large
Sample text	4.04:1	Fail	Fail	Pass
Sample text	5.2:1	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 #178D88 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #178d88; }
.text { color: #178d88; }
.border { border: 2px solid #178d88; }
.transparent { background-color: rgb(23 141 136 / 50%); }
.gradient { background: linear-gradient(to right, #178d88, #17578d); }

Background

Text color

Border

Similar colors

Questions

What color is #178D88?: #178D88 is a dark, moderate cyan, closest to the named color Dark Cyan. It belongs to the teal family of colors.
What is the RGB value of #178D88?: The RGB value is 23, 141, 136: 23 red, 141 green and 136 blue on a 0 to 255 scale.
What is the complementary color of #178D88?: The complementary color is #8D171C, found by rotating the hue 180° on the color wheel.
Is black or white text better on #178D88?: Black text. Black text has a contrast ratio of 5.2:1 and white text 4.04:1. WCAG asks for at least 4.5:1 for normal text.