What color is #666A63?

#666A63 is a gray, closest to the named color Armoury. It belongs to the gray family of colors.

What is the RGB value of #666A63?

The RGB value is 102, 106, 99: 102 red, 106 green and 99 blue on a 0 to 255 scale.

What is the complementary color of #666A63?

The complementary color is #67636A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #666A63?

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.

#666A63 color

#666A63 rgb(102, 106, 99)

Shades of gray

The hex color #666A63 is a gray.

In the RGB color model it is made of 40% red, 41.6% green and 38.8% blue (102, 106, 99).

Its hue angle is 94°, with 3% saturation and 40% lightness. For print, the CMYK equivalent is 4% cyan, 0% magenta, 7% yellow and 58% black.

The closest named color is Armoury (#6A6B65), a difference of 1.9 ΔE, which is barely visible.

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

#666A63 color codes

HEX	`#666A63`
RGB	`rgb(102, 106, 99)`
RGB percent	`rgb(40%, 41.6%, 38.8%)`
HSL	`hsl(94, 3%, 40%)`
HSV / HSB	`hsv(94, 7%, 42%)`
CMYK	`cmyk(4%, 0%, 7%, 58%)`
CIE LAB	`lab(44.28, -2.98, 3.39)`
CIE LCH	`lch(44.28, 4.51, 131.26)`
CIE XYZ	`xyz(12.885, 14.034, 13.832)`
Decimal	`6711907`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #666A63, 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 #666A63	Ratio	AA	AAA	AA large
Sample text	3.81:1	Fail	Fail	Pass
Sample text	5.52:1	Pass	Fail	Pass

#666A63 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 #666A63 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #666a63; }
.text { color: #666a63; }
.border { border: 2px solid #666a63; }
.transparent { background-color: rgb(102 106 99 / 50%); }
.gradient { background: linear-gradient(to right, #666a63, #636a64); }

Background

Text color

Border

Similar colors

Questions

What color is #666A63?: #666A63 is a gray, closest to the named color Armoury. It belongs to the gray family of colors.
What is the RGB value of #666A63?: The RGB value is 102, 106, 99: 102 red, 106 green and 99 blue on a 0 to 255 scale.
What is the complementary color of #666A63?: The complementary color is #67636A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #666A63?: 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.