What color is #666B57?

#666B57 is a grayish yellow-green, closest to the named color Italian Basil. It belongs to the gray family of colors.

What is the RGB value of #666B57?

The RGB value is 102, 107, 87: 102 red, 107 green and 87 blue on a 0 to 255 scale.

What is the complementary color of #666B57?

The complementary color is #5C576B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #666B57?

White text. Black text has a contrast ratio of 3.81:1 and white text 5.52:1. WCAG asks for at least 4.5:1 for normal text.

#666B57 color

#666B57 rgb(102, 107, 87)

Shades of gray

The hex color #666B57 is a grayish yellow-green.

In the RGB color model it is made of 40% red, 42% green and 34.1% blue (102, 107, 87).

Its hue angle is 75°, with 10% saturation and 38% lightness. For print, the CMYK equivalent is 5% cyan, 0% magenta, 19% yellow and 58% black.

The closest named color is Italian Basil (#5F6957), a difference of 2.6 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.52:1).

#666B57 color codes

HEX	`#666B57`
RGB	`rgb(102, 107, 87)`
RGB percent	`rgb(40%, 42%, 34.1%)`
HSL	`hsl(75, 10%, 38%)`
HSV / HSB	`hsv(75, 19%, 42%)`
CMYK	`cmyk(5%, 0%, 19%, 58%)`
CIE LAB	`lab(44.27, -5.82, 10.58)`
CIE LCH	`lch(44.27, 12.08, 118.81)`
CIE XYZ	`xyz(12.457, 14.028, 11.066)`
Decimal	`6712151`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #666B57, 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 #666B57	Ratio	AA	AAA	AA large
Sample text	3.81:1	Fail	Fail	Pass
Sample text	5.52:1	Pass	Fail	Pass

#666B57 as text on	Ratio	AA	AAA	AA large
Sample text	5.52:1	Pass	Fail	Pass
Sample text	3.81:1	Fail	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 #666B57 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #666b57; }
.text { color: #666b57; }
.border { border: 2px solid #666b57; }
.transparent { background-color: rgb(102 107 87 / 50%); }
.gradient { background: linear-gradient(to right, #666b57, #5c6b57); }

Background

Text color

Border

Similar colors

Closest common color name: Ebony.

Questions

What color is #666B57?: #666B57 is a grayish yellow-green, closest to the named color Italian Basil. It belongs to the gray family of colors.
What is the RGB value of #666B57?: The RGB value is 102, 107, 87: 102 red, 107 green and 87 blue on a 0 to 255 scale.
What is the complementary color of #666B57?: The complementary color is #5C576B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #666B57?: White text. Black text has a contrast ratio of 3.81:1 and white text 5.52:1. WCAG asks for at least 4.5:1 for normal text.