What color is #646C19?

#646C19 is a dark, moderate yellow, closest to the named color Forestial Outpost. It belongs to the yellow family of colors.

What is the RGB value of #646C19?

The RGB value is 100, 108, 25: 100 red, 108 green and 25 blue on a 0 to 255 scale.

What is the complementary color of #646C19?

The complementary color is #21196C, found by rotating the hue 180° on the color wheel.

Is black or white text better on #646C19?

White text. Black text has a contrast ratio of 3.7:1 and white text 5.67:1. WCAG asks for at least 4.5:1 for normal text.

#646C19 color

#646C19 rgb(100, 108, 25)

Shades of yellow

The hex color #646C19 is a dark, moderate yellow.

In the RGB color model it is made of 39.2% red, 42.4% green and 9.8% blue (100, 108, 25).

Its hue angle is 66°, with 62% saturation and 26% lightness. For print, the CMYK equivalent is 7% cyan, 0% magenta, 77% yellow and 58% black.

The closest named color is Forestial Outpost (#556611), a difference of 3.8 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.67:1).

#646C19 color codes

HEX	`#646C19`
RGB	`rgb(100, 108, 25)`
RGB percent	`rgb(39.2%, 42.4%, 9.8%)`
HSL	`hsl(66, 62%, 26%)`
HSV / HSB	`hsv(66, 77%, 42%)`
CMYK	`cmyk(7%, 0%, 77%, 58%)`
CIE LAB	`lab(43.51, -14.4, 42.49)`
CIE LCH	`lch(43.51, 44.86, 108.72)`
CIE XYZ	`xyz(10.794, 13.505, 2.958)`
Decimal	`6581273`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #646C19, 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 #646C19	Ratio	AA	AAA	AA large
Sample text	3.7:1	Fail	Fail	Pass
Sample text	5.67:1	Pass	Fail	Pass

#646C19 as text on	Ratio	AA	AAA	AA large
Sample text	5.67:1	Pass	Fail	Pass
Sample text	3.7:1	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 #646C19 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646c19; }
.text { color: #646c19; }
.border { border: 2px solid #646c19; }
.transparent { background-color: rgb(100 108 25 / 50%); }
.gradient { background: linear-gradient(to right, #646c19, #3a6c19); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Olive Green.

Questions

What color is #646C19?: #646C19 is a dark, moderate yellow, closest to the named color Forestial Outpost. It belongs to the yellow family of colors.
What is the RGB value of #646C19?: The RGB value is 100, 108, 25: 100 red, 108 green and 25 blue on a 0 to 255 scale.
What is the complementary color of #646C19?: The complementary color is #21196C, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646C19?: White text. Black text has a contrast ratio of 3.7:1 and white text 5.67:1. WCAG asks for at least 4.5:1 for normal text.