#178A2A color

#178A2A rgb(23, 138, 42)
Shades of green

The hex color #178A2A is a dark, moderate green.

In the RGB color model it is made of 9% red, 54.1% green and 16.5% blue (23, 138, 42).

Its hue angle is 130°, with 71% saturation and 32% lightness. For print, the CMYK equivalent is 83% cyan, 0% magenta, 70% yellow and 46% black.

The closest named color is Asian Spice (#118822), a difference of 1.1 ΔE, which is barely visible.

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

#178A2A color codes

HEX#178A2A
RGBrgb(23, 138, 42)
RGB percentrgb(9%, 54.1%, 16.5%)
HSLhsl(130, 71%, 32%)
HSV / HSBhsv(130, 83%, 54%)
CMYKcmyk(83%, 0%, 70%, 46%)
CIE LABlab(50.13, -50.1, 41.24)
CIE LCHlch(50.13, 64.89, 140.54)
CIE XYZxyz(9.859, 18.525, 5.246)
Decimal1542698
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #178A2A, 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 #178A2ARatioAAAAAAA large
Sample text4.71:1PassFailPass
Sample text4.46:1FailFailPass
#178A2A 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 #178A2A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #178a2a; }
.text { color: #178a2a; }
.border { border: 2px solid #178a2a; }
.transparent { background-color: rgb(23 138 42 / 50%); }
.gradient { background: linear-gradient(to right, #178a2a, #178a63); }
Background
Text color
Border

Similar colors

Questions

What color is #178A2A?
#178A2A is a dark, moderate green, closest to the named color Asian Spice. It belongs to the green family of colors.
What is the RGB value of #178A2A?
The RGB value is 23, 138, 42: 23 red, 138 green and 42 blue on a 0 to 255 scale.
What is the complementary color of #178A2A?
The complementary color is #8A1777, found by rotating the hue 180° on the color wheel.
Is black or white text better on #178A2A?
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.