What color is #647A66?

#647A66 is a grayish green, closest to the named color Ecological. It belongs to the green family of colors.

What is the RGB value of #647A66?

The RGB value is 100, 122, 102: 100 red, 122 green and 102 blue on a 0 to 255 scale.

What is the complementary color of #647A66?

The complementary color is #7A6478, found by rotating the hue 180° on the color wheel.

Is black or white text better on #647A66?

White text. Black text has a contrast ratio of 4.52:1 and white text 4.65:1. WCAG asks for at least 4.5:1 for normal text.

#647A66 color

#647A66 rgb(100, 122, 102)

Shades of green

The hex color #647A66 is a grayish green.

In the RGB color model it is made of 39.2% red, 47.8% green and 40% blue (100, 122, 102).

Its hue angle is 125°, with 10% saturation and 44% lightness. For print, the CMYK equivalent is 18% cyan, 0% magenta, 16% yellow and 52% black.

The closest named color is Ecological (#677F70), a difference of 2.9 ΔE, a small difference.

White text is the more readable choice on this background (contrast 4.65:1).

#647A66 color codes

HEX	`#647A66`
RGB	`rgb(100, 122, 102)`
RGB percent	`rgb(39.2%, 47.8%, 40%)`
HSL	`hsl(125, 10%, 44%)`
HSV / HSB	`hsv(125, 18%, 48%)`
CMYK	`cmyk(18%, 0%, 16%, 52%)`
CIE LAB	`lab(48.99, -12.28, 8.32)`
CIE LCH	`lch(48.99, 14.83, 145.88)`
CIE XYZ	`xyz(14.613, 17.587, 15.193)`
Decimal	`6584934`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #647A66, 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 #647A66	Ratio	AA	AAA	AA large
Sample text	4.52:1	Pass	Fail	Pass
Sample text	4.65:1	Pass	Fail	Pass

#647A66 as text on	Ratio	AA	AAA	AA large
Sample text	4.65:1	Pass	Fail	Pass
Sample text	4.52:1	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 #647A66 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #647a66; }
.text { color: #647a66; }
.border { border: 2px solid #647a66; }
.transparent { background-color: rgb(100 122 102 / 50%); }
.gradient { background: linear-gradient(to right, #647a66, #647a71); }

Background

Text color

Border

Similar colors

Questions

What color is #647A66?: #647A66 is a grayish green, closest to the named color Ecological. It belongs to the green family of colors.
What is the RGB value of #647A66?: The RGB value is 100, 122, 102: 100 red, 122 green and 102 blue on a 0 to 255 scale.
What is the complementary color of #647A66?: The complementary color is #7A6478, found by rotating the hue 180° on the color wheel.
Is black or white text better on #647A66?: White text. Black text has a contrast ratio of 4.52:1 and white text 4.65:1. WCAG asks for at least 4.5:1 for normal text.