What color is #645A2E?

#645A2E is a dark, desaturated yellow, closest to the named color Reptile Revenge. It belongs to the brown family of colors.

What is the RGB value of #645A2E?

The RGB value is 100, 90, 46: 100 red, 90 green and 46 blue on a 0 to 255 scale.

What is the complementary color of #645A2E?

The complementary color is #2E3864, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645A2E?

White text. Black text has a contrast ratio of 3.04:1 and white text 6.9:1. WCAG asks for at least 4.5:1 for normal text.

#645A2E color

#645A2E rgb(100, 90, 46)

Shades of brown

The hex color #645A2E is a dark, desaturated yellow.

In the RGB color model it is made of 39.2% red, 35.3% green and 18% blue (100, 90, 46).

Its hue angle is 49°, with 37% saturation and 29% lightness. For print, the CMYK equivalent is 0% cyan, 10% magenta, 54% yellow and 61% black.

The closest named color is Reptile Revenge (#5E582B), a difference of 2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 6.9:1).

#645A2E color codes

HEX	`#645A2E`
RGB	`rgb(100, 90, 46)`
RGB percent	`rgb(39.2%, 35.3%, 18%)`
HSL	`hsl(49, 37%, 29%)`
HSV / HSB	`hsv(49, 54%, 39%)`
CMYK	`cmyk(0%, 10%, 54%, 61%)`
CIE LAB	`lab(38.23, -2.5, 26.68)`
CIE LCH	`lch(38.23, 26.8, 95.35)`
CIE XYZ	`xyz(9.405, 10.219, 4.061)`
Decimal	`6576686`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645A2E, 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 #645A2E	Ratio	AA	AAA	AA large
Sample text	3.04:1	Fail	Fail	Pass
Sample text	6.9:1	Pass	Fail	Pass

#645A2E as text on	Ratio	AA	AAA	AA large
Sample text	6.9:1	Pass	Fail	Pass
Sample text	3.04:1	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 #645A2E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645a2e; }
.text { color: #645a2e; }
.border { border: 2px solid #645a2e; }
.transparent { background-color: rgb(100 90 46 / 50%); }
.gradient { background: linear-gradient(to right, #645a2e, #53642e); }

Background

Text color

Border

Similar colors

Closest common color name: Army Green.

Questions

What color is #645A2E?: #645A2E is a dark, desaturated yellow, closest to the named color Reptile Revenge. It belongs to the brown family of colors.
What is the RGB value of #645A2E?: The RGB value is 100, 90, 46: 100 red, 90 green and 46 blue on a 0 to 255 scale.
What is the complementary color of #645A2E?: The complementary color is #2E3864, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645A2E?: White text. Black text has a contrast ratio of 3.04:1 and white text 6.9:1. WCAG asks for at least 4.5:1 for normal text.