What color is #666B5A?

#666B5A 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 #666B5A?

The RGB value is 102, 107, 90: 102 red, 107 green and 90 blue on a 0 to 255 scale.

What is the complementary color of #666B5A?

The complementary color is #5F5A6B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #666B5A?

White text. Black text has a contrast ratio of 3.82:1 and white text 5.5:1. WCAG asks for at least 4.5:1 for normal text.

#666B5A color

#666B5A rgb(102, 107, 90)

Shades of gray

The hex color #666B5A is a grayish yellow-green.

In the RGB color model it is made of 40% red, 42% green and 35.3% blue (102, 107, 90).

Its hue angle is 78°, with 9% saturation and 39% lightness. For print, the CMYK equivalent is 5% cyan, 0% magenta, 16% 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 5.5:1).

#666B5A color codes

HEX	`#666B5A`
RGB	`rgb(102, 107, 90)`
RGB percent	`rgb(40%, 42%, 35.3%)`
HSL	`hsl(78, 9%, 39%)`
HSV / HSB	`hsv(78, 16%, 42%)`
CMYK	`cmyk(5%, 0%, 16%, 58%)`
CIE LAB	`lab(44.35, -5.28, 8.89)`
CIE LCH	`lch(44.35, 10.34, 120.71)`
CIE XYZ	`xyz(12.582, 14.078, 11.725)`
Decimal	`6712154`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #666B5A, 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 #666B5A	Ratio	AA	AAA	AA large
Sample text	3.82:1	Fail	Fail	Pass
Sample text	5.5:1	Pass	Fail	Pass

#666B5A as text on	Ratio	AA	AAA	AA large
Sample text	5.5:1	Pass	Fail	Pass
Sample text	3.82:1	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 #666B5A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #666b5a; }
.text { color: #666b5a; }
.border { border: 2px solid #666b5a; }
.transparent { background-color: rgb(102 107 90 / 50%); }
.gradient { background: linear-gradient(to right, #666b5a, #5e6b5a); }

Background

Text color

Border

Similar colors

Closest common color name: Ebony.

Questions

What color is #666B5A?: #666B5A 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 #666B5A?: The RGB value is 102, 107, 90: 102 red, 107 green and 90 blue on a 0 to 255 scale.
What is the complementary color of #666B5A?: The complementary color is #5F5A6B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #666B5A?: White text. Black text has a contrast ratio of 3.82:1 and white text 5.5:1. WCAG asks for at least 4.5:1 for normal text.