What color is #646D55?

#646D55 is a grayish yellow-green, closest to the named color Hinterland. It belongs to the green family of colors.

What is the RGB value of #646D55?

The RGB value is 100, 109, 85: 100 red, 109 green and 85 blue on a 0 to 255 scale.

What is the complementary color of #646D55?

The complementary color is #5E556D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #646D55?

White text. Black text has a contrast ratio of 3.86:1 and white text 5.44:1. WCAG asks for at least 4.5:1 for normal text.

#646D55 color

#646D55 rgb(100, 109, 85)

Shades of green

The hex color #646D55 is a grayish yellow-green.

In the RGB color model it is made of 39.2% red, 42.7% green and 33.3% blue (100, 109, 85).

Its hue angle is 83°, with 12% saturation and 38% lightness. For print, the CMYK equivalent is 8% cyan, 0% magenta, 22% yellow and 57% black.

The closest named color is Hinterland (#616C51), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 5.44:1).

#646D55 color codes

HEX	`#646D55`
RGB	`rgb(100, 109, 85)`
RGB percent	`rgb(39.2%, 42.7%, 33.3%)`
HSL	`hsl(83, 12%, 38%)`
HSV / HSB	`hsv(83, 22%, 43%)`
CMYK	`cmyk(8%, 0%, 22%, 57%)`
CIE LAB	`lab(44.66, -8.14, 12.29)`
CIE LCH	`lch(44.66, 14.74, 123.51)`
CIE XYZ	`xyz(12.364, 14.302, 10.702)`
Decimal	`6581589`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #646D55, 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 #646D55	Ratio	AA	AAA	AA large
Sample text	3.86:1	Fail	Fail	Pass
Sample text	5.44:1	Pass	Fail	Pass

#646D55 as text on	Ratio	AA	AAA	AA large
Sample text	5.44:1	Pass	Fail	Pass
Sample text	3.86:1	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 #646D55 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646d55; }
.text { color: #646d55; }
.border { border: 2px solid #646d55; }
.transparent { background-color: rgb(100 109 85 / 50%); }
.gradient { background: linear-gradient(to right, #646d55, #586d55); }

Background

Text color

Border

Similar colors

Closest common color name: Ebony.

Questions

What color is #646D55?: #646D55 is a grayish yellow-green, closest to the named color Hinterland. It belongs to the green family of colors.
What is the RGB value of #646D55?: The RGB value is 100, 109, 85: 100 red, 109 green and 85 blue on a 0 to 255 scale.
What is the complementary color of #646D55?: The complementary color is #5E556D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646D55?: White text. Black text has a contrast ratio of 3.86:1 and white text 5.44:1. WCAG asks for at least 4.5:1 for normal text.