#C5811B Color
#C5811B is rgb(197, 129, 27) in RGB, hsl(36, 76%, 44%) in HSL, and about cmyk(0%, 35%, 86%, 23%) in CMYK. It has no registered color name of its own — the closest is Philippine Gold (#B17304), clearly related but distinguishable side by side at ΔE 6.23. Black text is the more readable choice on this background.
#C5811Brgb(197, 129, 27)hsl(36, 76%, 44%)hsv(36, 86%, 77%)cmyk(0%, 35%, 86%, 23%)oklch(65.8% 0.135 70.3)lab(60.09% 21.60 60.20)lch(60.09% 63.95 70.26)What #C5811B 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 #C5811B, 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.
#C5811B Channel Values
How #C5811B 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 197 · G 129 · B 27 | 8-bit channels as sent to the display |
| HSL | H 36° · S 76% · L 44% | Easiest model for building lighter and darker variants |
| HSV | H 36° · S 86% · V 77% | Matches the picker in most design tools |
| CMYK | C 0% · M 35% · Y 86% · K 23% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 3.22:1 vs white · 6.53:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #C5811B 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 #C5811B in the contrast checker.
Colors That Go With #C5811B
Pairings derived from color-wheel relationships. The complementary color sits opposite #C5811B; 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 #C5811B
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 #C5811B.
How #C5811B 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.
#C5811B#909019#A88A1A#9C9C05#AE9210#C97A7A#C77D61#8F8F8FUsing #C5811B in Code
Copy-ready declarations for the places this color usually ends up.
--color-c5811b: #C5811B;background-color: #C5811B;colors: { 'color-c5811b': '#C5811B' }Color(red: 0.773, green: 0.506, blue: 0.106)<color name="color_c5811b">#C5811B</color>fill="#C5811B"More Brown Colors
#C5811B sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#C5811B Frequently Asked Questions
What color is #C5811B?
#C5811B is a mid-tone brown — rgb(197, 129, 27) in RGB and hsl(36, 76%, 44%) in HSL. It carries no registered color name of its own; the closest named color is Philippine Gold (#B17304), which is clearly related but distinguishable side by side at a CIE76 distance of 6.23.
What is the RGB value of #C5811B?
#C5811B is rgb(197, 129, 27) — red 197, green 129, and blue 27 on the 0-255 scale.
What is the CMYK value of #C5811B?
#C5811B converts to approximately cmyk(0%, 35%, 86%, 23%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #C5811B be black or white?
Black text is the more readable choice. #C5811B scores 3.22:1 against white and 6.53:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #C5811B as a CSS color keyword?
No. #C5811B 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 darkgoldenrod (#B8860B) at a CIE76 distance of 8.89, which is clearly related but distinguishable side by side.
Open #C5811B in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.