#A18921 Color

#A18921 is rgb(161, 137, 33) in RGB, hsl(49, 66%, 38%) in HSL, and about cmyk(0%, 15%, 80%, 37%) in CMYK. It has no registered color name of its own — the closest is Brass (#B5A642), visibly different at ΔE 11.37. Black text is the more readable choice on this background.

#A18921

HEX#A18921

RGBrgb(161, 137, 33)

HSLhsl(49, 66%, 38%)

HSVhsv(49, 80%, 63%)

CMYKcmyk(0%, 15%, 80%, 37%)

OKLCHoklch(63.4% 0.12 95.2)

LABlab(57.99% 1.54 54.59)

LCHlch(57.99% 54.61 88.38)

What #A18921 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 #A18921, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Brass#B5A642ΔE 11.37 Bister Brown(bistre Brown)#967117ΔE 11.41 Olive#808000ΔE 12.53 Light Gold#B29700ΔE 12.96 Satin Sheen Gold#CBA135ΔE 13.47 Dark Goldenrod#B8860BΔE 14.16

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

#A18921 Channel Values

How #A18921 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 161 · G 137 · B 33	8-bit channels as sent to the display
HSL	H 49° · S 66% · L 38%	Easiest model for building lighter and darker variants
HSV	H 49° · S 80% · V 63%	Matches the picker in most design tools
CMYK	C 0% · M 15% · Y 80% · K 37%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	3.43:1 vs white · 6.12:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #A18921 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 text3.43:1AA normal AA large AAA normal

TextBlack text6.12:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #A18921 in the contrast checker.

Colors That Go With #A18921

Pairings derived from color-wheel relationships. The complementary color sits opposite #A18921; 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 #A18921

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 #A18921.

How #A18921 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#A18921

Protanopia#8D8D20

Protanomaly#968C21

Deuteranopia#91911D

Deuteranomaly#988E1F

Tritanopia#A78181

Tritanomaly#A58468

Achromatopsia#8A8A8A

Test a full palette in the color blindness simulator.

Using #A18921 in Code

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

CSS custom property--color-a18921: #A18921;

CSS backgroundbackground-color: #A18921;

Tailwind configcolors: { 'color-a18921': '#A18921' }

SwiftUIColor(red: 0.631, green: 0.537, blue: 0.129)

Android XML<color name="color_a18921">#A18921</color>

SVG fillfill="#A18921"

More Yellow Colors

#A18921 sits in the yellow family. These are its neighbours across that family's full range, each with its own breakdown.

181807 fffff5 1b1404 fffff0 1f1f00 ffffeb 242400 ffffe5 2a2913 ffffe0 2b2003 ffffd6 573a00 856514 b0a94f cc9900 e0e000 edeae0 f2f1e3 f8f3c9 fcfce8 ffcc00 fff000 ffff0f

#A18921 Frequently Asked Questions

What color is #A18921?

#A18921 is a dark yellow — rgb(161, 137, 33) in RGB and hsl(49, 66%, 38%) in HSL. It carries no registered color name of its own; the closest named color is Brass (#B5A642), which is visibly different at a CIE76 distance of 11.37.

What is the RGB value of #A18921?

#A18921 is rgb(161, 137, 33) — red 161, green 137, and blue 33 on the 0-255 scale.

What is the CMYK value of #A18921?

#A18921 converts to approximately cmyk(0%, 15%, 80%, 37%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #A18921 be black or white?

Black text is the more readable choice. #A18921 scores 3.43:1 against white and 6.12:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #A18921 as a CSS color keyword?

No. #A18921 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 olive (#808000) at a CIE76 distance of 12.53, which is visibly different.

Open #A18921 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 yellow in the color library, the guide to shades of yellow, or the full color library.