What color is #818B99?

#818B99 is a grayish azure, closest to the named color Sea Lion. It belongs to the gray family of colors.

What is the RGB value of #818B99?

The RGB value is 129, 139, 153: 129 red, 139 green and 153 blue on a 0 to 255 scale.

What is the complementary color of #818B99?

The complementary color is #998F81, found by rotating the hue 180° on the color wheel.

Is black or white text better on #818B99?

Black text. Black text has a contrast ratio of 6.09:1 and white text 3.45:1. WCAG asks for at least 4.5:1 for normal text.

#818B99 color

#818B99 rgb(129, 139, 153)

Shades of gray

The hex color #818B99 is a grayish azure.

In the RGB color model it is made of 50.6% red, 54.5% green and 60% blue (129, 139, 153).

Its hue angle is 215°, with 11% saturation and 55% lightness. For print, the CMYK equivalent is 16% cyan, 9% magenta, 0% yellow and 40% black.

The closest named color is Sea Lion (#7F8793), a difference of 1.7 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 6.09:1).

#818B99 color codes

HEX	`#818B99`
RGB	`rgb(129, 139, 153)`
RGB percent	`rgb(50.6%, 54.5%, 60%)`
HSL	`hsl(215, 11%, 55%)`
HSV / HSB	`hsv(215, 16%, 60%)`
CMYK	`cmyk(16%, 9%, 0%, 40%)`
CIE LAB	`lab(57.49, -0.6, -8.67)`
CIE LCH	`lch(57.49, 8.69, 266.02)`
CIE XYZ	`xyz(24.034, 25.432, 33.773)`
Decimal	`8489881`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #818B99, 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 #818B99	Ratio	AA	AAA	AA large
Sample text	6.09:1	Pass	Fail	Pass
Sample text	3.45:1	Fail	Fail	Pass

#818B99 as text on	Ratio	AA	AAA	AA large
Sample text	3.45:1	Fail	Fail	Pass
Sample text	6.09:1	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 #818B99 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #818b99; }
.text { color: #818b99; }
.border { border: 2px solid #818b99; }
.transparent { background-color: rgb(129 139 153 / 50%); }
.gradient { background: linear-gradient(to right, #818b99, #838199); }

Background

Text color

Border

Similar colors

Questions

What color is #818B99?: #818B99 is a grayish azure, closest to the named color Sea Lion. It belongs to the gray family of colors.
What is the RGB value of #818B99?: The RGB value is 129, 139, 153: 129 red, 139 green and 153 blue on a 0 to 255 scale.
What is the complementary color of #818B99?: The complementary color is #998F81, found by rotating the hue 180° on the color wheel.
Is black or white text better on #818B99?: Black text. Black text has a contrast ratio of 6.09:1 and white text 3.45:1. WCAG asks for at least 4.5:1 for normal text.