#856F51 Color
#856F51 is rgb(133, 111, 81) in RGB, hsl(35, 24%, 42%) in HSL, and about cmyk(0%, 17%, 39%, 48%) in CMYK. It has no registered color name of its own — the closest is French Bister(french Bistre) (#856D4D), below the threshold most people can see at ΔE 1.78. White text is the more readable choice on this background.
#856F51rgb(133, 111, 81)hsl(35, 24%, 42%)hsv(35, 39%, 52%)cmyk(0%, 17%, 39%, 48%)oklch(55.5% 0.051 75)lab(48.40% 5.64 20.14)lch(48.40% 20.92 74.37)What #856F51 Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #856F51, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every brown in the library.
#856F51 Channel Values
How #856F51 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 133 · G 111 · B 81 | 8-bit channels as sent to the display |
| HSL | H 35° · S 24% · L 42% | Easiest model for building lighter and darker variants |
| HSV | H 35° · S 39% · V 52% | Matches the picker in most design tools |
| CMYK | C 0% · M 17% · Y 39% · K 48% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.78:1 vs white · 4.39:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #856F51 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #856F51 in the contrast checker.
Colors That Go With #856F51
Pairings derived from color-wheel relationships. The complementary color sits opposite #856F51; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #856F51
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #856F51.
How #856F51 Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#856F51#737351#7B7151#777750#7D7450#886C6C#876D62#727272Using #856F51 in Code
Copy-ready declarations for the places this color usually ends up.
--color-856f51: #856F51;background-color: #856F51;colors: { 'color-856f51': '#856F51' }Color(red: 0.522, green: 0.435, blue: 0.318)<color name="color_856f51">#856F51</color>fill="#856F51"More Brown Colors
#856F51 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#856F51 Frequently Asked Questions
What color is #856F51?
#856F51 is a mid-tone brown — rgb(133, 111, 81) in RGB and hsl(35, 24%, 42%) in HSL. It carries no registered color name of its own; the closest named color is French Bister(french Bistre) (#856D4D), which is below the threshold most people can see at a CIE76 distance of 1.78.
What is the RGB value of #856F51?
#856F51 is rgb(133, 111, 81) — red 133, green 111, and blue 81 on the 0-255 scale.
What is the CMYK value of #856F51?
#856F51 converts to approximately cmyk(0%, 17%, 39%, 48%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #856F51 be black or white?
White text is the more readable choice. #856F51 scores 4.78:1 against white and 4.39:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #856F51 as a CSS color keyword?
No. #856F51 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is dimgray (#696969) at a CIE76 distance of 21.29, which is visibly different.
Open #856F51 in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.