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#90510E Color

#90510E is rgb(144, 81, 14) in RGB, hsl(31, 82%, 31%) in HSL, and about cmyk(0%, 44%, 90%, 44%) in CMYK. It has no registered color name of its own — the closest is Saddle Brown (#8B4513), clearly related but distinguishable side by side at ΔE 7.39. White text is the more readable choice on this background.

#90510E
HEX#90510E
RGBrgb(144, 81, 14)
HSLhsl(31, 82%, 31%)
HSVhsv(31, 90%, 56%)
CMYKcmyk(0%, 44%, 90%, 44%)
OKLCHoklch(49.9% 0.111 59.8)
LABlab(41.42% 23.72 46.41)
LCHlch(41.42% 52.12 62.92)

What #90510E 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 #90510E, 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.

#90510E Channel Values

How #90510E 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 144 · G 81 · B 148-bit channels as sent to the display
HSLH 31° · S 82% · L 31%Easiest model for building lighter and darker variants
HSVH 31° · S 90% · V 56%Matches the picker in most design tools
CMYKC 0% · M 44% · Y 90% · K 44%Approximate ink mix; confirm with an ICC profile before printing
Luminance6.23:1 vs white · 3.37:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #90510E 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 text6.23:1AA normal AA large AAA normal
Fails AABlack text3.37:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #90510E in the contrast checker.

Colors That Go With #90510E

Pairings derived from color-wheel relationships. The complementary color sits opposite #90510E; 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 #90510E

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 #90510E.

How #90510E 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#90510E
Protanopia#60600B
Protanomaly#765A0D
Deuteranopia#6B6B00
Deuteranomaly#7C6204
Tritanopia#924C4C
Tritanomaly#914E3C
Achromatopsia#616161

Test a full palette in the color blindness simulator.

Using #90510E in Code

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

CSS custom property--color-90510e: #90510E;
CSS backgroundbackground-color: #90510E;
Tailwind configcolors: { 'color-90510e': '#90510E' }
SwiftUIColor(red: 0.565, green: 0.318, blue: 0.055)
Android XML<color name="color_90510e">#90510E</color>
SVG fillfill="#90510E"

More Brown Colors

#90510E sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.

#90510E Frequently Asked Questions

What color is #90510E?

#90510E is a dark brown — rgb(144, 81, 14) in RGB and hsl(31, 82%, 31%) in HSL. It carries no registered color name of its own; the closest named color is Saddle Brown (#8B4513), which is clearly related but distinguishable side by side at a CIE76 distance of 7.39.

What is the RGB value of #90510E?

#90510E is rgb(144, 81, 14) — red 144, green 81, and blue 14 on the 0-255 scale.

What is the CMYK value of #90510E?

#90510E converts to approximately cmyk(0%, 44%, 90%, 44%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #90510E be black or white?

White text is the more readable choice. #90510E scores 6.23:1 against white and 3.37:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #90510E as a CSS color keyword?

No. #90510E 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 7.39, which is clearly related but distinguishable side by side.

Open #90510E in a Tool

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