What color is #645C3C?

#645C3C is a dark, desaturated yellow, closest to the named color Olive Bark. It belongs to the brown family of colors.

What is the RGB value of #645C3C?

The RGB value is 100, 92, 60: 100 red, 92 green and 60 blue on a 0 to 255 scale.

What is the complementary color of #645C3C?

The complementary color is #3C4464, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645C3C?

White text. Black text has a contrast ratio of 3.14:1 and white text 6.69:1. WCAG asks for at least 4.5:1 for normal text.

#645C3C color

#645C3C rgb(100, 92, 60)

Shades of brown

The hex color #645C3C is a dark, desaturated yellow.

In the RGB color model it is made of 39.2% red, 36.1% green and 23.5% blue (100, 92, 60).

Its hue angle is 48°, with 25% saturation and 31% lightness. For print, the CMYK equivalent is 0% cyan, 8% magenta, 40% yellow and 61% black.

The closest named color is Olive Bark (#5F5537), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.69:1).

#645C3C color codes

HEX	`#645C3C`
RGB	`rgb(100, 92, 60)`
RGB percent	`rgb(39.2%, 36.1%, 23.5%)`
HSL	`hsl(48, 25%, 31%)`
HSV / HSB	`hsv(48, 40%, 39%)`
CMYK	`cmyk(0%, 8%, 40%, 61%)`
CIE LAB	`lab(39.05, -2.06, 19.6)`
CIE LCH	`lch(39.05, 19.71, 96)`
CIE XYZ	`xyz(9.898, 10.69, 5.816)`
Decimal	`6577212`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645C3C, 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 #645C3C	Ratio	AA	AAA	AA large
Sample text	3.14:1	Fail	Fail	Pass
Sample text	6.69:1	Pass	Fail	Pass

#645C3C as text on	Ratio	AA	AAA	AA large
Sample text	6.69:1	Pass	Fail	Pass
Sample text	3.14:1	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 #645C3C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645c3c; }
.text { color: #645c3c; }
.border { border: 2px solid #645c3c; }
.transparent { background-color: rgb(100 92 60 / 50%); }
.gradient { background: linear-gradient(to right, #645c3c, #58643c); }

Background

Text color

Border

Similar colors

Closest common color name: Army Green.

Questions

What color is #645C3C?: #645C3C is a dark, desaturated yellow, closest to the named color Olive Bark. It belongs to the brown family of colors.
What is the RGB value of #645C3C?: The RGB value is 100, 92, 60: 100 red, 92 green and 60 blue on a 0 to 255 scale.
What is the complementary color of #645C3C?: The complementary color is #3C4464, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645C3C?: White text. Black text has a contrast ratio of 3.14:1 and white text 6.69:1. WCAG asks for at least 4.5:1 for normal text.