#81640A color

#81640A rgb(129, 100, 10)
Shades of brown

The hex color #81640A is a dark, vivid yellow.

In the RGB color model it is made of 50.6% red, 39.2% green and 3.9% blue (129, 100, 10).

Its hue angle is 45°, with 86% saturation and 27% lightness. For print, the CMYK equivalent is 0% cyan, 22% magenta, 92% yellow and 49% black.

The closest named color is Muddy Brown (#886806), a difference of 2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.58:1).

#81640A color codes

HEX#81640A
RGBrgb(129, 100, 10)
RGB percentrgb(50.6%, 39.2%, 3.9%)
HSLhsl(45, 86%, 27%)
HSV / HSBhsv(45, 92%, 51%)
CMYKcmyk(0%, 22%, 92%, 49%)
CIE LABlab(43.95, 3.53, 48.63)
CIE LCHlch(43.95, 48.76, 85.85)
CIE XYZxyz(13.666, 13.804, 2.232)
Decimal8479754
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #81640A, 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 #81640ARatioAAAAAAA large
Sample text3.76:1FailFailPass
Sample text5.58:1PassFailPass
#81640A as text onRatioAAAAAAA large
Sample text5.58:1PassFailPass
Sample text3.76:1FailFailPass

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 #81640A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #81640a; }
.text { color: #81640a; }
.border { border: 2px solid #81640a; }
.transparent { background-color: rgb(129 100 10 / 50%); }
.gradient { background: linear-gradient(to right, #81640a, #63810a); }
Background
Text color
Border

Similar colors

Closest common color name: Olive Green.

Questions

What color is #81640A?
#81640A is a dark, vivid yellow, closest to the named color Muddy Brown. It belongs to the brown family of colors.
What is the RGB value of #81640A?
The RGB value is 129, 100, 10: 129 red, 100 green and 10 blue on a 0 to 255 scale.
What is the complementary color of #81640A?
The complementary color is #0A2781, found by rotating the hue 180° on the color wheel.
Is black or white text better on #81640A?
White text. Black text has a contrast ratio of 3.76:1 and white text 5.58:1. WCAG asks for at least 4.5:1 for normal text.