What color is #639600?

#639600 is a dark, vivid yellow-green, closest to the named color Gecko’s Dream. It belongs to the green family of colors.

What is the RGB value of #639600?

The RGB value is 99, 150, 0: 99 red, 150 green and 0 blue on a 0 to 255 scale.

What is the complementary color of #639600?

The complementary color is #330096, found by rotating the hue 180° on the color wheel.

Is black or white text better on #639600?

Black text. Black text has a contrast ratio of 5.89:1 and white text 3.56:1. WCAG asks for at least 4.5:1 for normal text.

#639600 color

#639600 rgb(99, 150, 0)

Shades of green

The hex color #639600 is a dark, vivid yellow-green.

In the RGB color model it is made of 38.8% red, 58.8% green and 0% blue (99, 150, 0).

Its hue angle is 80°, with 100% saturation and 29% lightness. For print, the CMYK equivalent is 34% cyan, 0% magenta, 100% yellow and 41% black.

The closest named color is Gecko’s Dream (#669900), a difference of 1.1 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 5.89:1).

#639600 color codes

HEX	`#639600`
RGB	`rgb(99, 150, 0)`
RGB percent	`rgb(38.8%, 58.8%, 0%)`
HSL	`hsl(80, 100%, 29%)`
HSV / HSB	`hsv(80, 100%, 59%)`
CMYK	`cmyk(34%, 0%, 100%, 41%)`
CIE LAB	`lab(56.55, -36.34, 59.29)`
CIE LCH	`lch(56.55, 69.54, 121.5)`
CIE XYZ	`xyz(16.052, 24.465, 3.876)`
Decimal	`6526464`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #639600, 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 #639600	Ratio	AA	AAA	AA large
Sample text	5.89:1	Pass	Fail	Pass
Sample text	3.56:1	Fail	Fail	Pass

#639600 as text on	Ratio	AA	AAA	AA large
Sample text	3.56:1	Fail	Fail	Pass
Sample text	5.89:1	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 #639600 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #639600; }
.text { color: #639600; }
.border { border: 2px solid #639600; }
.transparent { background-color: rgb(99 150 0 / 50%); }
.gradient { background: linear-gradient(to right, #639600, #189600); }

Background

Text color

Border

Similar colors

Questions

What color is #639600?: #639600 is a dark, vivid yellow-green, closest to the named color Gecko’s Dream. It belongs to the green family of colors.
What is the RGB value of #639600?: The RGB value is 99, 150, 0: 99 red, 150 green and 0 blue on a 0 to 255 scale.
What is the complementary color of #639600?: The complementary color is #330096, found by rotating the hue 180° on the color wheel.
Is black or white text better on #639600?: Black text. Black text has a contrast ratio of 5.89:1 and white text 3.56:1. WCAG asks for at least 4.5:1 for normal text.