What color is #638D6B?

#638D6B is a grayish green, closest to the named color Kashmir. It belongs to the green family of colors.

What is the RGB value of #638D6B?

The RGB value is 99, 141, 107: 99 red, 141 green and 107 blue on a 0 to 255 scale.

What is the complementary color of #638D6B?

The complementary color is #8D6385, found by rotating the hue 180° on the color wheel.

Is black or white text better on #638D6B?

Black text. Black text has a contrast ratio of 5.55:1 and white text 3.78:1. WCAG asks for at least 4.5:1 for normal text.

#638D6B color

#638D6B rgb(99, 141, 107)

Shades of green

The hex color #638D6B is a grayish green.

In the RGB color model it is made of 38.8% red, 55.3% green and 42% blue (99, 141, 107).

Its hue angle is 131°, with 18% saturation and 47% lightness. For print, the CMYK equivalent is 30% cyan, 0% magenta, 24% yellow and 45% black.

The closest named color is Kashmir (#6F8D6A), a difference of 3 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 5.55:1).

#638D6B color codes

HEX	`#638D6B`
RGB	`rgb(99, 141, 107)`
RGB percent	`rgb(38.8%, 55.3%, 42%)`
HSL	`hsl(131, 18%, 47%)`
HSV / HSB	`hsv(131, 30%, 55%)`
CMYK	`cmyk(30%, 0%, 24%, 45%)`
CIE LAB	`lab(54.83, -21.8, 13.61)`
CIE LCH	`lch(54.83, 25.7, 148.03)`
CIE XYZ	`xyz(17.323, 22.763, 17.388)`
Decimal	`6524267`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #638D6B, 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 #638D6B	Ratio	AA	AAA	AA large
Sample text	5.55:1	Pass	Fail	Pass
Sample text	3.78:1	Fail	Fail	Pass

#638D6B as text on	Ratio	AA	AAA	AA large
Sample text	3.78:1	Fail	Fail	Pass
Sample text	5.55:1	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 #638D6B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #638d6b; }
.text { color: #638d6b; }
.border { border: 2px solid #638d6b; }
.transparent { background-color: rgb(99 141 107 / 50%); }
.gradient { background: linear-gradient(to right, #638d6b, #638d80); }

Background

Text color

Border

Similar colors

Closest common color name: Sea Green.

Questions

What color is #638D6B?: #638D6B is a grayish green, closest to the named color Kashmir. It belongs to the green family of colors.
What is the RGB value of #638D6B?: The RGB value is 99, 141, 107: 99 red, 141 green and 107 blue on a 0 to 255 scale.
What is the complementary color of #638D6B?: The complementary color is #8D6385, found by rotating the hue 180° on the color wheel.
Is black or white text better on #638D6B?: Black text. Black text has a contrast ratio of 5.55:1 and white text 3.78:1. WCAG asks for at least 4.5:1 for normal text.