What color is #647B6C?

#647B6C is a grayish green, closest to the named color Ecological. It belongs to the gray family of colors.

What is the RGB value of #647B6C?

The RGB value is 100, 123, 108: 100 red, 123 green and 108 blue on a 0 to 255 scale.

What is the complementary color of #647B6C?

The complementary color is #7B6473, found by rotating the hue 180° on the color wheel.

Is black or white text better on #647B6C?

Black text. Black text has a contrast ratio of 4.59:1 and white text 4.57:1. WCAG asks for at least 4.5:1 for normal text.

#647B6C color

#647B6C rgb(100, 123, 108)

Shades of gray

The hex color #647B6C is a grayish green.

In the RGB color model it is made of 39.2% red, 48.2% green and 42.4% blue (100, 123, 108).

Its hue angle is 141°, with 10% saturation and 44% lightness. For print, the CMYK equivalent is 19% cyan, 0% magenta, 12% yellow and 52% black.

The closest named color is Ecological (#677F70), a difference of 1.5 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 4.59:1).

#647B6C color codes

HEX	`#647B6C`
RGB	`rgb(100, 123, 108)`
RGB percent	`rgb(39.2%, 48.2%, 42.4%)`
HSL	`hsl(141, 10%, 44%)`
HSV / HSB	`hsv(141, 19%, 48%)`
CMYK	`cmyk(19%, 0%, 12%, 52%)`
CIE LAB	`lab(49.44, -11.62, 5.44)`
CIE LCH	`lch(49.44, 12.83, 154.91)`
CIE XYZ	`xyz(15.045, 17.958, 16.858)`
Decimal	`6585196`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #647B6C, 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 #647B6C	Ratio	AA	AAA	AA large
Sample text	4.59:1	Pass	Fail	Pass
Sample text	4.57:1	Pass	Fail	Pass

#647B6C as text on	Ratio	AA	AAA	AA large
Sample text	4.57:1	Pass	Fail	Pass
Sample text	4.59:1	Pass	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 #647B6C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #647b6c; }
.text { color: #647b6c; }
.border { border: 2px solid #647b6c; }
.transparent { background-color: rgb(100 123 108 / 50%); }
.gradient { background: linear-gradient(to right, #647b6c, #647b77); }

Background

Text color

Border

Similar colors

Questions

What color is #647B6C?: #647B6C is a grayish green, closest to the named color Ecological. It belongs to the gray family of colors.
What is the RGB value of #647B6C?: The RGB value is 100, 123, 108: 100 red, 123 green and 108 blue on a 0 to 255 scale.
What is the complementary color of #647B6C?: The complementary color is #7B6473, found by rotating the hue 180° on the color wheel.
Is black or white text better on #647B6C?: Black text. Black text has a contrast ratio of 4.59:1 and white text 4.57:1. WCAG asks for at least 4.5:1 for normal text.