What color is #666F71?

#666F71 is a gray, closest to the named color Batman. It belongs to the gray family of colors.

What is the RGB value of #666F71?

The RGB value is 102, 111, 113: 102 red, 111 green and 113 blue on a 0 to 255 scale.

What is the complementary color of #666F71?

The complementary color is #716866, found by rotating the hue 180° on the color wheel.

Is black or white text better on #666F71?

White text. Black text has a contrast ratio of 4.08:1 and white text 5.15:1. WCAG asks for at least 4.5:1 for normal text.

#666F71 color

#666F71 rgb(102, 111, 113)

Shades of gray

The hex color #666F71 is a gray.

In the RGB color model it is made of 40% red, 43.5% green and 44.3% blue (102, 111, 113).

Its hue angle is 191°, with 5% saturation and 42% lightness. For print, the CMYK equivalent is 10% cyan, 2% magenta, 0% yellow and 56% black.

The closest named color is Batman (#656E72), a difference of 1.2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 5.15:1).

#666F71 color codes

HEX	`#666F71`
RGB	`rgb(102, 111, 113)`
RGB percent	`rgb(40%, 43.5%, 44.3%)`
HSL	`hsl(191, 5%, 42%)`
HSV / HSB	`hsv(191, 10%, 44%)`
CMYK	`cmyk(10%, 2%, 0%, 56%)`
CIE LAB	`lab(46.16, -2.96, -2.28)`
CIE LCH	`lch(46.16, 3.74, 217.57)`
CIE XYZ	`xyz(14.144, 15.386, 17.844)`
Decimal	`6713201`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #666F71, 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 #666F71	Ratio	AA	AAA	AA large
Sample text	4.08:1	Fail	Fail	Pass
Sample text	5.15:1	Pass	Fail	Pass

#666F71 as text on	Ratio	AA	AAA	AA large
Sample text	5.15:1	Pass	Fail	Pass
Sample text	4.08:1	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 #666F71 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #666f71; }
.text { color: #666f71; }
.border { border: 2px solid #666f71; }
.transparent { background-color: rgb(102 111 113 / 50%); }
.gradient { background: linear-gradient(to right, #666f71, #666a71); }

Background

Text color

Border

Similar colors

Closest common color name: Dim Gray.

Questions

What color is #666F71?: #666F71 is a gray, closest to the named color Batman. It belongs to the gray family of colors.
What is the RGB value of #666F71?: The RGB value is 102, 111, 113: 102 red, 111 green and 113 blue on a 0 to 255 scale.
What is the complementary color of #666F71?: The complementary color is #716866, found by rotating the hue 180° on the color wheel.
Is black or white text better on #666F71?: White text. Black text has a contrast ratio of 4.08:1 and white text 5.15:1. WCAG asks for at least 4.5:1 for normal text.