What color is #666740?

#666740 is a dark, grayish yellow, closest to the named color Eat Your Greens. It belongs to the yellow family of colors.

What is the RGB value of #666740?

The RGB value is 102, 103, 64: 102 red, 103 green and 64 blue on a 0 to 255 scale.

What is the complementary color of #666740?

The complementary color is #414067, found by rotating the hue 180° on the color wheel.

Is black or white text better on #666740?

White text. Black text has a contrast ratio of 3.58:1 and white text 5.87:1. WCAG asks for at least 4.5:1 for normal text.

#666740 color

#666740 rgb(102, 103, 64)

Shades of yellow

The hex color #666740 is a dark, grayish yellow.

In the RGB color model it is made of 40% red, 40.4% green and 25.1% blue (102, 103, 64).

Its hue angle is 62°, with 23% saturation and 33% lightness. For print, the CMYK equivalent is 1% cyan, 0% magenta, 38% yellow and 60% black.

The closest named color is Eat Your Greens (#696845), a difference of 1.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 5.87:1).

#666740 color codes

HEX	`#666740`
RGB	`rgb(102, 103, 64)`
RGB percent	`rgb(40%, 40.4%, 25.1%)`
HSL	`hsl(62, 23%, 33%)`
HSV / HSB	`hsv(62, 38%, 40%)`
CMYK	`cmyk(1%, 0%, 38%, 60%)`
CIE LAB	`lab(42.61, -7.08, 21.91)`
CIE LCH	`lch(42.61, 23.02, 107.91)`
CIE XYZ	`xyz(11.255, 12.896, 6.746)`
Decimal	`6711104`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #666740, 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 #666740	Ratio	AA	AAA	AA large
Sample text	3.58:1	Fail	Fail	Pass
Sample text	5.87:1	Pass	Fail	Pass

#666740 as text on	Ratio	AA	AAA	AA large
Sample text	5.87:1	Pass	Fail	Pass
Sample text	3.58:1	Fail	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 #666740 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #666740; }
.text { color: #666740; }
.border { border: 2px solid #666740; }
.transparent { background-color: rgb(102 103 64 / 50%); }
.gradient { background: linear-gradient(to right, #666740, #526740); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Olive Green.

Questions

What color is #666740?: #666740 is a dark, grayish yellow, closest to the named color Eat Your Greens. It belongs to the yellow family of colors.
What is the RGB value of #666740?: The RGB value is 102, 103, 64: 102 red, 103 green and 64 blue on a 0 to 255 scale.
What is the complementary color of #666740?: The complementary color is #414067, found by rotating the hue 180° on the color wheel.
Is black or white text better on #666740?: White text. Black text has a contrast ratio of 3.58:1 and white text 5.87:1. WCAG asks for at least 4.5:1 for normal text.