#81640A color
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 | |
|---|---|---|
| RGB | rgb(129, 100, 10) | |
| RGB percent | rgb(50.6%, 39.2%, 3.9%) | |
| HSL | hsl(45, 86%, 27%) | |
| HSV / HSB | hsv(45, 92%, 51%) | |
| CMYK | cmyk(0%, 22%, 92%, 49%) | |
| CIE LAB | lab(43.95, 3.53, 48.63) | |
| CIE LCH | lch(43.95, 48.76, 85.85) | |
| CIE XYZ | xyz(13.666, 13.804, 2.232) | |
| Decimal | 8479754 | |
| Short hex | None (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 #81640A | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.76:1 | Fail | Fail | Pass |
| Sample text | 5.58:1 | Pass | Fail | Pass |
| #81640A as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.58:1 | Pass | Fail | Pass |
| Sample text | 3.76:1 | 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 #81640A looks to people with the most common types of color vision deficiency.
#726300Protanopia
no red cones#796b11Deuteranopia
no green cones#8d5a55Tritanopia
no blue cones#686868Achromatopsia
no color vision
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); }
Similar colors
#886806Muddy Brown#886600Alligator#886b2eAged Antics#96711cPuma#967217Glazed Chestnut#775511Coffee Adept#736330Himalaya#665500Ayahuasca Vine
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.