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#AC660C Color

#AC660C is rgb(172, 102, 12) in RGB, hsl(34, 87%, 36%) in HSL, and about cmyk(0%, 41%, 93%, 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 6. Black text is the more readable choice on this background.

#AC660C
HEX#AC660C
RGBrgb(172, 102, 12)
HSLhsl(34, 87%, 36%)
HSVhsv(34, 93%, 67%)
CMYKcmyk(0%, 41%, 93%, 33%)
OKLCHoklch(57.6% 0.127 63.8)
LABlab(50.37% 24.74 55.34)
LCHlch(50.37% 60.62 65.91)

What #AC660C 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 #AC660C, 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.

#AC660C Channel Values

How #AC660C breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 172 · G 102 · B 128-bit channels as sent to the display
HSLH 34° · S 87% · L 36%Easiest model for building lighter and darker variants
HSVH 34° · S 93% · V 67%Matches the picker in most design tools
CMYKC 0% · M 41% · Y 93% · K 33%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.51:1 vs white · 4.66:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #AC660C 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.

TextWhite text4.51:1AA normal AA large AAA normal
TextBlack text4.66:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #AC660C in the contrast checker.

Colors That Go With #AC660C

Pairings derived from color-wheel relationships. The complementary color sits opposite #AC660C; 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 #AC660C

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 #AC660C.

How #AC660C 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#AC660C
Protanopia#767608
Protanomaly#8F700A
Deuteranopia#838300
Deuteranomaly#957800
Tritanopia#AF6060
Tritanomaly#AE624C
Achromatopsia#777777

Test a full palette in the color blindness simulator.

Using #AC660C in Code

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

CSS custom property--color-ac660c: #AC660C;
CSS backgroundbackground-color: #AC660C;
Tailwind configcolors: { 'color-ac660c': '#AC660C' }
SwiftUIColor(red: 0.675, green: 0.400, blue: 0.047)
Android XML<color name="color_ac660c">#AC660C</color>
SVG fillfill="#AC660C"

More Brown Colors

#AC660C sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.

#AC660C Frequently Asked Questions

What color is #AC660C?

#AC660C is a dark brown — rgb(172, 102, 12) in RGB and hsl(34, 87%, 36%) 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 6.

What is the RGB value of #AC660C?

#AC660C is rgb(172, 102, 12) — red 172, green 102, and blue 12 on the 0-255 scale.

What is the CMYK value of #AC660C?

#AC660C converts to approximately cmyk(0%, 41%, 93%, 33%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #AC660C be black or white?

Black text is the more readable choice. #AC660C scores 4.51:1 against white and 4.66:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #AC660C as a CSS color keyword?

No. #AC660C 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 peru (#CD853F) at a CIE76 distance of 13.78, which is visibly different.

Open #AC660C in a Tool

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