What color is #645C30?

#645C30 is a dark, desaturated yellow, closest to the named color Reptile Revenge. It belongs to the yellow family of colors.

What is the RGB value of #645C30?

The RGB value is 100, 92, 48: 100 red, 92 green and 48 blue on a 0 to 255 scale.

What is the complementary color of #645C30?

The complementary color is #303864, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645C30?

White text. Black text has a contrast ratio of 3.12:1 and white text 6.74:1. WCAG asks for at least 4.5:1 for normal text.

#645C30 color

#645C30 rgb(100, 92, 48)

Shades of yellow

The hex color #645C30 is a dark, desaturated yellow.

In the RGB color model it is made of 39.2% red, 36.1% green and 18.8% blue (100, 92, 48).

Its hue angle is 51°, with 35% saturation and 29% lightness. For print, the CMYK equivalent is 0% cyan, 8% magenta, 52% yellow and 61% black.

The closest named color is Reptile Revenge (#5E582B), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 6.74:1).

#645C30 color codes

HEX	`#645C30`
RGB	`rgb(100, 92, 48)`
RGB percent	`rgb(39.2%, 36.1%, 18.8%)`
HSL	`hsl(51, 35%, 29%)`
HSV / HSB	`hsv(51, 52%, 39%)`
CMYK	`cmyk(0%, 8%, 52%, 61%)`
CIE LAB	`lab(38.86, -3.48, 26.31)`
CIE LCH	`lch(38.86, 26.54, 97.53)`
CIE XYZ	`xyz(9.616, 10.577, 4.331)`
Decimal	`6577200`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645C30, 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 #645C30	Ratio	AA	AAA	AA large
Sample text	3.12:1	Fail	Fail	Pass
Sample text	6.74:1	Pass	Fail	Pass

#645C30 as text on	Ratio	AA	AAA	AA large
Sample text	6.74:1	Pass	Fail	Pass
Sample text	3.12:1	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 #645C30 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645c30; }
.text { color: #645c30; }
.border { border: 2px solid #645c30; }
.transparent { background-color: rgb(100 92 48 / 50%); }
.gradient { background: linear-gradient(to right, #645c30, #526430); }

Background

Text color

Border

Similar colors

Closest common color name: Army Green.

Questions

What color is #645C30?: #645C30 is a dark, desaturated yellow, closest to the named color Reptile Revenge. It belongs to the yellow family of colors.
What is the RGB value of #645C30?: The RGB value is 100, 92, 48: 100 red, 92 green and 48 blue on a 0 to 255 scale.
What is the complementary color of #645C30?: The complementary color is #303864, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645C30?: White text. Black text has a contrast ratio of 3.12:1 and white text 6.74:1. WCAG asks for at least 4.5:1 for normal text.