What color is #81818F?

#81818F is a gray, closest to the named color Mecha Metal. It belongs to the gray family of colors.

What is the RGB value of #81818F?

The RGB value is 129, 129, 143: 129 red, 129 green and 143 blue on a 0 to 255 scale.

What is the complementary color of #81818F?

The complementary color is #8F8F81, found by rotating the hue 180° on the color wheel.

Is black or white text better on #81818F?

Black text. Black text has a contrast ratio of 5.47:1 and white text 3.84:1. WCAG asks for at least 4.5:1 for normal text.

#81818F color

#81818F rgb(129, 129, 143)

Shades of gray

The hex color #81818F is a gray.

In the RGB color model it is made of 50.6% red, 50.6% green and 56.1% blue (129, 129, 143).

Its hue angle is 240°, with 6% saturation and 53% lightness. For print, the CMYK equivalent is 10% cyan, 10% magenta, 0% yellow and 44% black.

The closest named color is Mecha Metal (#848393), a difference of 1.4 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 5.47:1).

#81818F color codes

HEX	`#81818F`
RGB	`rgb(129, 129, 143)`
RGB percent	`rgb(50.6%, 50.6%, 56.1%)`
HSL	`hsl(240, 6%, 53%)`
HSV / HSB	`hsv(240, 10%, 56%)`
CMYK	`cmyk(10%, 10%, 0%, 44%)`
CIE LAB	`lab(54.4, 2.91, -7.52)`
CIE LCH	`lch(54.4, 8.06, 291.15)`
CIE XYZ	`xyz(21.86, 22.351, 29.144)`
Decimal	`8487311`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #81818F, 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 #81818F	Ratio	AA	AAA	AA large
Sample text	5.47:1	Pass	Fail	Pass
Sample text	3.84:1	Fail	Fail	Pass

#81818F as text on	Ratio	AA	AAA	AA large
Sample text	3.84:1	Fail	Fail	Pass
Sample text	5.47:1	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 #81818F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #81818f; }
.text { color: #81818f; }
.border { border: 2px solid #81818f; }
.transparent { background-color: rgb(129 129 143 / 50%); }
.gradient { background: linear-gradient(to right, #81818f, #88818f); }

Background

Text color

Border

Similar colors

Closest common color name: Gray.

Questions

What color is #81818F?: #81818F is a gray, closest to the named color Mecha Metal. It belongs to the gray family of colors.
What is the RGB value of #81818F?: The RGB value is 129, 129, 143: 129 red, 129 green and 143 blue on a 0 to 255 scale.
What is the complementary color of #81818F?: The complementary color is #8F8F81, found by rotating the hue 180° on the color wheel.
Is black or white text better on #81818F?: Black text. Black text has a contrast ratio of 5.47:1 and white text 3.84:1. WCAG asks for at least 4.5:1 for normal text.