#172818 color

#172818 rgb(23, 40, 24)
Shades of green

The hex color #172818 is a very dark, desaturated green.

In the RGB color model it is made of 9% red, 15.7% green and 9.4% blue (23, 40, 24).

Its hue angle is 124°, with 27% saturation and 12% lightness. For print, the CMYK equivalent is 42% cyan, 0% magenta, 40% yellow and 84% black.

The closest named color is Nightmare (#112211), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 15.52:1).

#172818 color codes

HEX#172818
RGBrgb(23, 40, 24)
RGB percentrgb(9%, 15.7%, 9.4%)
HSLhsl(124, 27%, 12%)
HSV / HSBhsv(124, 43%, 16%)
CMYKcmyk(42%, 0%, 40%, 84%)
CIE LABlab(14.21, -11.33, 8.36)
CIE LCHlch(14.21, 14.08, 143.59)
CIE XYZxyz(1.277, 1.766, 1.137)
Decimal1517592
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #172818, 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 #172818RatioAAAAAAA large
Sample text1.35:1FailFailFail
Sample text15.52:1PassPassPass
#172818 as text onRatioAAAAAAA large
Sample text15.52:1PassPassPass
Sample text1.35:1FailFailFail

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 #172818 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #172818; }
.text { color: #172818; }
.border { border: 2px solid #172818; }
.transparent { background-color: rgb(23 40 24 / 50%); }
.gradient { background: linear-gradient(to right, #172818, #172820); }
Background
Text color
Border

Similar colors

Closest common color name: Onyx.

Questions

What color is #172818?
#172818 is a very dark, desaturated green, closest to the named color Nightmare. It belongs to the green family of colors.
What is the RGB value of #172818?
The RGB value is 23, 40, 24: 23 red, 40 green and 24 blue on a 0 to 255 scale.
What is the complementary color of #172818?
The complementary color is #281727, found by rotating the hue 180° on the color wheel.
Is black or white text better on #172818?
White text. Black text has a contrast ratio of 1.35:1 and white text 15.52:1. WCAG asks for at least 4.5:1 for normal text.