#178581 color

#178581 rgb(23, 133, 129)
Shades of teal

The hex color #178581 is a dark, moderate cyan.

In the RGB color model it is made of 9% red, 52.2% green and 50.6% blue (23, 133, 129).

Its hue angle is 178°, with 71% saturation and 31% lightness. For print, the CMYK equivalent is 83% cyan, 0% magenta, 3% yellow and 48% black.

The closest named color is Windows 95 Desktop (#018281), a difference of 1.7 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 4.71:1).

#178581 color codes

HEX#178581
RGBrgb(23, 133, 129)
RGB percentrgb(9%, 52.2%, 50.6%)
HSLhsl(178, 71%, 31%)
HSV / HSBhsv(178, 83%, 52%)
CMYKcmyk(83%, 0%, 3%, 48%)
CIE LABlab(50.15, -29.48, -6.22)
CIE LCHlch(50.15, 30.13, 191.91)
CIE XYZxyz(12.701, 18.541, 23.674)
Decimal1541505
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #178581, 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 #178581RatioAAAAAAA large
Sample text4.71:1PassFailPass
Sample text4.46:1FailFailPass
#178581 as text onRatioAAAAAAA large
Sample text4.46:1FailFailPass
Sample text4.71:1PassFailPass

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 #178581 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #178581; }
.text { color: #178581; }
.border { border: 2px solid #178581; }
.transparent { background-color: rgb(23 133 129 / 50%); }
.gradient { background: linear-gradient(to right, #178581, #175285); }
Background
Text color
Border

Similar colors

Questions

What color is #178581?
#178581 is a dark, moderate cyan, closest to the named color Windows 95 Desktop. It belongs to the teal family of colors.
What is the RGB value of #178581?
The RGB value is 23, 133, 129: 23 red, 133 green and 129 blue on a 0 to 255 scale.
What is the complementary color of #178581?
The complementary color is #85171B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #178581?
Black text. Black text has a contrast ratio of 4.71:1 and white text 4.46:1. WCAG asks for at least 4.5:1 for normal text.