What color is #669900?

#669900 is a dark, vivid yellow-green known as Gecko’s Dream. It belongs to the green family of colors.

What is the RGB value of #669900?

The RGB value is 102, 153, 0: 102 red, 153 green and 0 blue on a 0 to 255 scale.

What is the complementary color of #669900?

The complementary color is #330099, found by rotating the hue 180° on the color wheel.

Is black or white text better on #669900?

Black text. Black text has a contrast ratio of 6.12:1 and white text 3.43:1. WCAG asks for at least 4.5:1 for normal text.

#669900 color

#669900 rgb(102, 153, 0)

Shades of green

The hex color #669900 is a dark, vivid yellow-green.

In the RGB color model it is made of 40% red, 60% green and 0% blue (102, 153, 0).

Its hue angle is 80°, with 100% saturation and 30% lightness. For print, the CMYK equivalent is 33% cyan, 0% magenta, 100% yellow and 40% black.

This exact color is also called Gecko’s Dream.

Black text is the more readable choice on this background (contrast 6.12:1).

#669900 color codes

HEX	`#669900`
RGB	`rgb(102, 153, 0)`
RGB percent	`rgb(40%, 60%, 0%)`
HSL	`hsl(80, 100%, 30%)`
HSV / HSB	`hsv(80, 100%, 60%)`
CMYK	`cmyk(33%, 0%, 100%, 40%)`
CIE LAB	`lab(57.66, -36.51, 60.22)`
CIE LCH	`lch(57.66, 70.42, 121.23)`
CIE XYZ	`xyz(16.871, 25.607, 4.054)`
Decimal	`6723840`
Short hex	`#690`

Color harmonies

Colors that go with #669900, 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 #669900	Ratio	AA	AAA	AA large
Sample text	6.12:1	Pass	Fail	Pass
Sample text	3.43:1	Fail	Fail	Pass

#669900 as text on	Ratio	AA	AAA	AA large
Sample text	3.43:1	Fail	Fail	Pass
Sample text	6.12:1	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 #669900 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #669900; }
.text { color: #669900; }
.border { border: 2px solid #669900; }
.transparent { background-color: rgb(102 153 0 / 50%); }
.gradient { background: linear-gradient(to right, #669900, #1a9900); }

Background

Text color

Border

Similar colors

Questions

What color is #669900?: #669900 is a dark, vivid yellow-green known as Gecko’s Dream. It belongs to the green family of colors.
What is the RGB value of #669900?: The RGB value is 102, 153, 0: 102 red, 153 green and 0 blue on a 0 to 255 scale.
What is the complementary color of #669900?: The complementary color is #330099, found by rotating the hue 180° on the color wheel.
Is black or white text better on #669900?: Black text. Black text has a contrast ratio of 6.12:1 and white text 3.43:1. WCAG asks for at least 4.5:1 for normal text.