What color is #666F64?

#666F64 is a gray, closest to the named color Italian Basil. It belongs to the gray family of colors.

What is the RGB value of #666F64?

The RGB value is 102, 111, 100: 102 red, 111 green and 100 blue on a 0 to 255 scale.

What is the complementary color of #666F64?

The complementary color is #6D646F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #666F64?

White text. Black text has a contrast ratio of 4.02:1 and white text 5.22:1. WCAG asks for at least 4.5:1 for normal text.

#666F64 color

#666F64 rgb(102, 111, 100)

Shades of gray

The hex color #666F64 is a gray.

In the RGB color model it is made of 40% red, 43.5% green and 39.2% blue (102, 111, 100).

Its hue angle is 109°, with 5% saturation and 41% lightness. For print, the CMYK equivalent is 8% cyan, 0% magenta, 10% yellow and 56% black.

The closest named color is Italian Basil (#5F6957), a difference of 4.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.22:1).

#666F64 color codes

HEX	`#666F64`
RGB	`rgb(102, 111, 100)`
RGB percent	`rgb(40%, 43.5%, 39.2%)`
HSL	`hsl(109, 5%, 41%)`
HSV / HSB	`hsv(109, 10%, 44%)`
CMYK	`cmyk(8%, 0%, 10%, 56%)`
CIE LAB	`lab(45.79, -5.69, 4.96)`
CIE LCH	`lch(45.79, 7.55, 138.91)`
CIE XYZ	`xyz(13.464, 15.114, 14.262)`
Decimal	`6713188`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #666F64, 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 #666F64	Ratio	AA	AAA	AA large
Sample text	4.02:1	Fail	Fail	Pass
Sample text	5.22:1	Pass	Fail	Pass

#666F64 as text on	Ratio	AA	AAA	AA large
Sample text	5.22:1	Pass	Fail	Pass
Sample text	4.02:1	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 #666F64 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #666f64; }
.text { color: #666f64; }
.border { border: 2px solid #666f64; }
.transparent { background-color: rgb(102 111 100 / 50%); }
.gradient { background: linear-gradient(to right, #666f64, #646f67); }

Background

Text color

Border

Similar colors

Closest common color name: Ebony.

Questions

What color is #666F64?: #666F64 is a gray, closest to the named color Italian Basil. It belongs to the gray family of colors.
What is the RGB value of #666F64?: The RGB value is 102, 111, 100: 102 red, 111 green and 100 blue on a 0 to 255 scale.
What is the complementary color of #666F64?: The complementary color is #6D646F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #666F64?: White text. Black text has a contrast ratio of 4.02:1 and white text 5.22:1. WCAG asks for at least 4.5:1 for normal text.