What color is #66CC00?

#66CC00 is a vivid green known as Blinking Terminal. It belongs to the green family of colors.

What is the RGB value of Blinking Terminal?

The RGB value is 102, 204, 0: 102 red, 204 green and 0 blue on a 0 to 255 scale.

What is the complementary color of Blinking Terminal?

The complementary color is #6600CC, found by rotating the hue 180° on the color wheel.

Is black or white text better on #66CC00?

Black text. Black text has a contrast ratio of 10.2:1 and white text 2.06:1. WCAG asks for at least 4.5:1 for normal text.

Blinking Terminal color: hex code #66CC00

#66CC00 rgb(102, 204, 0)

Shades of green

Blinking Terminal has the hex code #66CC00. It is a vivid green.

In the RGB color model it is made of 40% red, 80% green and 0% blue (102, 204, 0).

Its hue angle is 90°, with 100% saturation and 40% lightness. For print, the CMYK equivalent is 50% cyan, 0% magenta, 100% yellow and 20% black.

Black text is the more readable choice on this background (contrast 10.2:1).

Blinking Terminal (#66CC00) color codes

HEX	`#66CC00`
RGB	`rgb(102, 204, 0)`
RGB percent	`rgb(40%, 80%, 0%)`
HSL	`hsl(90, 100%, 40%)`
HSV / HSB	`hsv(90, 100%, 80%)`
CMYK	`cmyk(50%, 0%, 100%, 20%)`
CIE LAB	`lab(73.55, -57.02, 72.58)`
CIE LCH	`lch(73.55, 92.3, 128.15)`
CIE XYZ	`xyz(27.072, 46.009, 7.454)`
Decimal	`6736896`
Short hex	`#6C0`

Color harmonies

Colors that go with Blinking Terminal, 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 #66CC00	Ratio	AA	AAA	AA large
Sample text	10.2:1	Pass	Pass	Pass
Sample text	2.06:1	Fail	Fail	Fail

#66CC00 as text on	Ratio	AA	AAA	AA large
Sample text	2.06:1	Fail	Fail	Fail
Sample text	10.2:1	Pass	Pass	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 #66CC00 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #66cc00; }
.text { color: #66cc00; }
.border { border: 2px solid #66cc00; }
.transparent { background-color: rgb(102 204 0 / 50%); }
.gradient { background: linear-gradient(to right, #66cc00, #00cc00); }

Background

Text color

Border

Similar colors

Closest common color name: Kelly Green.

See #66CC00 on its hex code page

Questions

What color is #66CC00?: #66CC00 is a vivid green known as Blinking Terminal. It belongs to the green family of colors.
What is the RGB value of Blinking Terminal?: The RGB value is 102, 204, 0: 102 red, 204 green and 0 blue on a 0 to 255 scale.
What is the complementary color of Blinking Terminal?: The complementary color is #6600CC, found by rotating the hue 180° on the color wheel.
Is black or white text better on #66CC00?: Black text. Black text has a contrast ratio of 10.2:1 and white text 2.06:1. WCAG asks for at least 4.5:1 for normal text.