What color is #818B81?

#818B81 is a gray, closest to the named color Mummy’s Tomb. It belongs to the gray family of colors.

What is the RGB value of #818B81?

The RGB value is 129, 139, 129: 129 red, 139 green and 129 blue on a 0 to 255 scale.

What is the complementary color of #818B81?

The complementary color is #8B818B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #818B81?

Black text. Black text has a contrast ratio of 5.94:1 and white text 3.53:1. WCAG asks for at least 4.5:1 for normal text.

#818B81 color

#818B81 rgb(129, 139, 129)

Shades of gray

The hex color #818B81 is a gray.

In the RGB color model it is made of 50.6% red, 54.5% green and 50.6% blue (129, 139, 129).

Its hue angle is 120°, with 4% saturation and 53% lightness. For print, the CMYK equivalent is 7% cyan, 0% magenta, 7% yellow and 45% black.

The closest named color is Mummy’s Tomb (#828E84), a difference of 1.2 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 5.94:1).

#818B81 color codes

HEX	`#818B81`
RGB	`rgb(129, 139, 129)`
RGB percent	`rgb(50.6%, 54.5%, 50.6%)`
HSL	`hsl(120, 4%, 53%)`
HSV / HSB	`hsv(120, 7%, 55%)`
CMYK	`cmyk(7%, 0%, 7%, 45%)`
CIE LAB	`lab(56.8, -5.65, 4.1)`
CIE LCH	`lch(56.8, 6.97, 144.04)`
CIE XYZ	`xyz(22.248, 24.717, 24.363)`
Decimal	`8489857`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #818B81, 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 #818B81	Ratio	AA	AAA	AA large
Sample text	5.94:1	Pass	Fail	Pass
Sample text	3.53:1	Fail	Fail	Pass

#818B81 as text on	Ratio	AA	AAA	AA large
Sample text	3.53:1	Fail	Fail	Pass
Sample text	5.94:1	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 #818B81 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #818b81; }
.text { color: #818b81; }
.border { border: 2px solid #818b81; }
.transparent { background-color: rgb(129 139 129 / 50%); }
.gradient { background: linear-gradient(to right, #818b81, #818b86); }

Background

Text color

Border

Similar colors

Questions

What color is #818B81?: #818B81 is a gray, closest to the named color Mummy’s Tomb. It belongs to the gray family of colors.
What is the RGB value of #818B81?: The RGB value is 129, 139, 129: 129 red, 139 green and 129 blue on a 0 to 255 scale.
What is the complementary color of #818B81?: The complementary color is #8B818B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #818B81?: Black text. Black text has a contrast ratio of 5.94:1 and white text 3.53:1. WCAG asks for at least 4.5:1 for normal text.