What color is #66817A?

#66817A is a grayish spring green, closest to the named color Underwater World. It belongs to the gray family of colors.

What is the RGB value of #66817A?

The RGB value is 102, 129, 122: 102 red, 129 green and 122 blue on a 0 to 255 scale.

What is the complementary color of #66817A?

The complementary color is #81666D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #66817A?

Black text. Black text has a contrast ratio of 4.99:1 and white text 4.21:1. WCAG asks for at least 4.5:1 for normal text.

#66817A color

#66817A rgb(102, 129, 122)

Shades of gray

The hex color #66817A is a grayish spring green.

In the RGB color model it is made of 40% red, 50.6% green and 47.8% blue (102, 129, 122).

Its hue angle is 164°, with 12% saturation and 45% lightness. For print, the CMYK equivalent is 21% cyan, 0% magenta, 5% yellow and 49% black.

The closest named color is Underwater World (#657F7A), a difference of 1.2 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 4.99:1).

#66817A color codes

HEX	`#66817A`
RGB	`rgb(102, 129, 122)`
RGB percent	`rgb(40%, 50.6%, 47.8%)`
HSL	`hsl(164, 12%, 45%)`
HSV / HSB	`hsv(164, 21%, 51%)`
CMYK	`cmyk(21%, 0%, 5%, 49%)`
CIE LAB	`lab(51.76, -11.22, 0.6)`
CIE LCH	`lch(51.76, 11.24, 176.94)`
CIE XYZ	`xyz(16.842, 19.93, 21.368)`
Decimal	`6717818`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #66817A, 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 #66817A	Ratio	AA	AAA	AA large
Sample text	4.99:1	Pass	Fail	Pass
Sample text	4.21:1	Fail	Fail	Pass

#66817A as text on	Ratio	AA	AAA	AA large
Sample text	4.21:1	Fail	Fail	Pass
Sample text	4.99:1	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 #66817A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #66817a; }
.text { color: #66817a; }
.border { border: 2px solid #66817a; }
.transparent { background-color: rgb(102 129 122 / 50%); }
.gradient { background: linear-gradient(to right, #66817a, #667a81); }

Background

Text color

Border

Similar colors

Questions

What color is #66817A?: #66817A is a grayish spring green, closest to the named color Underwater World. It belongs to the gray family of colors.
What is the RGB value of #66817A?: The RGB value is 102, 129, 122: 102 red, 129 green and 122 blue on a 0 to 255 scale.
What is the complementary color of #66817A?: The complementary color is #81666D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #66817A?: Black text. Black text has a contrast ratio of 4.99:1 and white text 4.21:1. WCAG asks for at least 4.5:1 for normal text.