What color is #666E70?

#666E70 is a gray, closest to the named color Batman. It belongs to the gray family of colors.

What is the RGB value of #666E70?

The RGB value is 102, 110, 112: 102 red, 110 green and 112 blue on a 0 to 255 scale.

What is the complementary color of #666E70?

The complementary color is #706866, found by rotating the hue 180° on the color wheel.

Is black or white text better on #666E70?

White text. Black text has a contrast ratio of 4.03:1 and white text 5.21:1. WCAG asks for at least 4.5:1 for normal text.

#666E70 color

#666E70 rgb(102, 110, 112)

Shades of gray

The hex color #666E70 is a gray.

In the RGB color model it is made of 40% red, 43.1% green and 43.9% blue (102, 110, 112).

Its hue angle is 192°, with 5% saturation and 42% lightness. For print, the CMYK equivalent is 9% cyan, 2% magenta, 0% yellow and 56% black.

The closest named color is Batman (#656E72), a difference of 1.1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 5.21:1).

#666E70 color codes

HEX	`#666E70`
RGB	`rgb(102, 110, 112)`
RGB percent	`rgb(40%, 43.1%, 43.9%)`
HSL	`hsl(192, 5%, 42%)`
HSV / HSB	`hsv(192, 9%, 44%)`
CMYK	`cmyk(9%, 2%, 0%, 56%)`
CIE LAB	`lab(45.83, -2.6, -2.16)`
CIE LCH	`lch(45.83, 3.38, 219.71)`
CIE XYZ	`xyz(13.979, 15.146, 17.513)`
Decimal	`6712944`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #666E70, 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 #666E70	Ratio	AA	AAA	AA large
Sample text	4.03:1	Fail	Fail	Pass
Sample text	5.21:1	Pass	Fail	Pass

#666E70 as text on	Ratio	AA	AAA	AA large
Sample text	5.21:1	Pass	Fail	Pass
Sample text	4.03:1	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 #666E70 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #666e70; }
.text { color: #666e70; }
.border { border: 2px solid #666e70; }
.transparent { background-color: rgb(102 110 112 / 50%); }
.gradient { background: linear-gradient(to right, #666e70, #666970); }

Background

Text color

Border

Similar colors

Questions

What color is #666E70?: #666E70 is a gray, closest to the named color Batman. It belongs to the gray family of colors.
What is the RGB value of #666E70?: The RGB value is 102, 110, 112: 102 red, 110 green and 112 blue on a 0 to 255 scale.
What is the complementary color of #666E70?: The complementary color is #706866, found by rotating the hue 180° on the color wheel.
Is black or white text better on #666E70?: White text. Black text has a contrast ratio of 4.03:1 and white text 5.21:1. WCAG asks for at least 4.5:1 for normal text.