#AC5A1B Color
#AC5A1B is rgb(172, 90, 27) in RGB, hsl(26, 73%, 39%) in HSL, and about cmyk(0%, 48%, 84%, 33%) in CMYK. It has no registered color name of its own — the closest is Light Brown (#B5651D), clearly related but distinguishable side by side at ΔE 5.12. White text is the more readable choice on this background.
#AC5A1Brgb(172, 90, 27)hsl(26, 73%, 39%)hsv(26, 84%, 67%)cmyk(0%, 48%, 84%, 33%)oklch(55.6% 0.129 52.7)lab(47.72% 31.26 48.79)lch(47.72% 57.94 57.35)What #AC5A1B 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 #AC5A1B, 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.
#AC5A1B Channel Values
How #AC5A1B 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 172 · G 90 · B 27 | 8-bit channels as sent to the display |
| HSL | H 26° · S 73% · L 39% | Easiest model for building lighter and darker variants |
| HSV | H 26° · S 84% · V 67% | Matches the picker in most design tools |
| CMYK | C 0% · M 48% · Y 84% · K 33% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.96:1 vs white · 4.23:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #AC5A1B 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 #AC5A1B in the contrast checker.
Colors That Go With #AC5A1B
Pairings derived from color-wheel relationships. The complementary color sits opposite #AC5A1B; 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 #AC5A1B
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 #AC5A1B.
How #AC5A1B 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.
#AC5A1B#6E6E19#8B661A#7D7D08#927111#AE5555#AD5745#707070Using #AC5A1B in Code
Copy-ready declarations for the places this color usually ends up.
--color-ac5a1b: #AC5A1B;background-color: #AC5A1B;colors: { 'color-ac5a1b': '#AC5A1B' }Color(red: 0.675, green: 0.353, blue: 0.106)<color name="color_ac5a1b">#AC5A1B</color>fill="#AC5A1B"More Brown Colors
#AC5A1B sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#AC5A1B Frequently Asked Questions
What color is #AC5A1B?
#AC5A1B is a dark brown — rgb(172, 90, 27) in RGB and hsl(26, 73%, 39%) in HSL. It carries no registered color name of its own; the closest named color is Light Brown (#B5651D), which is clearly related but distinguishable side by side at a CIE76 distance of 5.12.
What is the RGB value of #AC5A1B?
#AC5A1B is rgb(172, 90, 27) — red 172, green 90, and blue 27 on the 0-255 scale.
What is the CMYK value of #AC5A1B?
#AC5A1B converts to approximately cmyk(0%, 48%, 84%, 33%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #AC5A1B be black or white?
White text is the more readable choice. #AC5A1B scores 4.96:1 against white and 4.23:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #AC5A1B as a CSS color keyword?
No. #AC5A1B 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 saddlebrown (#8B4513) at a CIE76 distance of 12.57, which is visibly different.
Open #AC5A1B in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.