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#AA451D Color

#AA451D is rgb(170, 69, 29) in RGB, hsl(17, 71%, 39%) in HSL, and about cmyk(0%, 59%, 83%, 33%) in CMYK. It has no registered color name of its own — the closest is Metallic Brown (#AC4313), very hard to tell apart at ΔE 4.61. White text is the more readable choice on this background.

#AA451D
HEX#AA451D
RGBrgb(170, 69, 29)
HSLhsl(17, 71%, 39%)
HSVhsv(17, 83%, 67%)
CMYKcmyk(0%, 59%, 83%, 33%)
OKLCHoklch(52% 0.143 40.2)
LABlab(43.19% 40.83 44.03)
LCHlch(43.19% 60.04 47.16)

What #AA451D 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 #AA451D, 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.

#AA451D Channel Values

How #AA451D 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 170 · G 69 · B 298-bit channels as sent to the display
HSLH 17° · S 71% · L 39%Easiest model for building lighter and darker variants
HSVH 17° · S 83% · V 67%Matches the picker in most design tools
CMYKC 0% · M 59% · Y 83% · K 33%Approximate ink mix; confirm with an ICC profile before printing
Luminance5.87:1 vs white · 3.58:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #AA451D 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 text5.87:1AA normal AA large AAA normal
Fails AABlack text3.58:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #AA451D in the contrast checker.

Colors That Go With #AA451D

Pairings derived from color-wheel relationships. The complementary color sits opposite #AA451D; 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 #AA451D

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 #AA451D.

How #AA451D 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#AA451D
Protanopia#60601B
Protanomaly#84571C
Deuteranopia#737309
Deuteranomaly#8D6413
Tritanopia#AB4141
Tritanomaly#AB4336
Achromatopsia#656565

Test a full palette in the color blindness simulator.

Using #AA451D in Code

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

CSS custom property--color-aa451d: #AA451D;
CSS backgroundbackground-color: #AA451D;
Tailwind configcolors: { 'color-aa451d': '#AA451D' }
SwiftUIColor(red: 0.667, green: 0.271, blue: 0.114)
Android XML<color name="color_aa451d">#AA451D</color>
SVG fillfill="#AA451D"

More Brown Colors

#AA451D sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.

#AA451D Frequently Asked Questions

What color is #AA451D?

#AA451D is a dark brown — rgb(170, 69, 29) in RGB and hsl(17, 71%, 39%) in HSL. It carries no registered color name of its own; the closest named color is Metallic Brown (#AC4313), which is very hard to tell apart at a CIE76 distance of 4.61.

What is the RGB value of #AA451D?

#AA451D is rgb(170, 69, 29) — red 170, green 69, and blue 29 on the 0-255 scale.

What is the CMYK value of #AA451D?

#AA451D converts to approximately cmyk(0%, 59%, 83%, 33%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #AA451D be black or white?

White text is the more readable choice. #AA451D scores 5.87:1 against white and 3.58:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #AA451D as a CSS color keyword?

No. #AA451D 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 sienna (#A0522D) at a CIE76 distance of 12.59, which is visibly different.

Open #AA451D in a Tool

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