#AC791B Color

#AC791B is rgb(172, 121, 27) in RGB, hsl(39, 73%, 39%) in HSL, and about cmyk(0%, 30%, 84%, 33%) 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 7.22. Black text is the more readable choice on this background.

#AC791B

HEX#AC791B

RGBrgb(172, 121, 27)

HSLhsl(39, 73%, 39%)

HSVhsv(39, 84%, 67%)

CMYKcmyk(0%, 30%, 84%, 33%)

OKLCHoklch(61.3% 0.12 76.8)

LABlab(55.02% 14.84 54.66)

LCHlch(55.02% 56.64 74.81)

What #AC791B 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 #AC791B, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Philippine Gold#B17304ΔE 7.22 Bister Brown(bistre Brown)#967117ΔE 8.37 Golden Brown#996515ΔE 9.32 Dark Goldenrod#B8860BΔE 9.42 Caramel#C68E17ΔE 12.32 Copper#B87333ΔE 12.67

Browse the full index of named colors A-Z or every brown in the library.

#AC791B Channel Values

How #AC791B 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 121 · B 27	8-bit channels as sent to the display
HSL	H 39° · S 73% · L 39%	Easiest model for building lighter and darker variants
HSV	H 39° · S 84% · V 67%	Matches the picker in most design tools
CMYK	C 0% · M 30% · Y 84% · K 33%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	3.81:1 vs white · 5.5:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #AC791B 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.

Fails AAWhite text3.81:1AA normal AA large AAA normal

TextBlack text5.5:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #AC791B in the contrast checker.

Colors That Go With #AC791B

Pairings derived from color-wheel relationships. The complementary color sits opposite #AC791B; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #AC791B

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.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #AC791B.

How #AC791B 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.

Typical#AC791B

Protanopia#848419

Protanomaly#957F1A

Deuteranopia#8D8D0F

Deuteranomaly#9A8515

Tritanopia#B07272

Tritanomaly#AF755B

Achromatopsia#838383

Test a full palette in the color blindness simulator.

Using #AC791B in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-ac791b: #AC791B;

CSS backgroundbackground-color: #AC791B;

Tailwind configcolors: { 'color-ac791b': '#AC791B' }

SwiftUIColor(red: 0.675, green: 0.475, blue: 0.106)

Android XML<color name="color_ac791b">#AC791B</color>

SVG fillfill="#AC791B"

More Brown Colors

#AC791B sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.

100c08 e17100 1b0d04 e15501 1c1917 e05e00 1f0800 e04000 1f1400 db8f00 241205 db7900 34240e 461901 503607 5c3f19 693507 7a2100 825221 8b6f47 993300 a8732e bd3000 cc3300

#AC791B Frequently Asked Questions

What color is #AC791B?

#AC791B is a dark brown — rgb(172, 121, 27) in RGB and hsl(39, 73%, 39%) 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 7.22.

What is the RGB value of #AC791B?

#AC791B is rgb(172, 121, 27) — red 172, green 121, and blue 27 on the 0-255 scale.

What is the CMYK value of #AC791B?

#AC791B converts to approximately cmyk(0%, 30%, 84%, 33%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #AC791B be black or white?

Black text is the more readable choice. #AC791B scores 3.81:1 against white and 5.5:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #AC791B as a CSS color keyword?

No. #AC791B 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 9.42, which is clearly related but distinguishable side by side.

Open #AC791B in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.