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#FFE91F Color

#FFE91F is rgb(255, 233, 31) in RGB, hsl(54, 100%, 56%) in HSL, and about cmyk(0%, 9%, 88%, 0%) in CMYK. It has no registered color name of its own — the closest is Medium Yellow (#FFE302), very hard to tell apart at ΔE 3.65. Black text is the more readable choice on this background.

#FFE91F
HEX#FFE91F
RGBrgb(255, 233, 31)
HSLhsl(54, 100%, 56%)
HSVhsv(54, 88%, 100%)
CMYKcmyk(0%, 9%, 88%, 0%)
OKLCHoklch(92.3% 0.189 102.3)
LABlab(92.02% -5.40 86.34)
LCHlch(92.02% 86.51 93.58)

What #FFE91F 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 #FFE91F, 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 yellow in the library.

#FFE91F Channel Values

How #FFE91F 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 255 · G 233 · B 318-bit channels as sent to the display
HSLH 54° · S 100% · L 56%Easiest model for building lighter and darker variants
HSVH 54° · S 88% · V 100%Matches the picker in most design tools
CMYKC 0% · M 9% · Y 88% · K 0%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.24:1 vs white · 16.93:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #FFE91F 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 text1.24:1AA normal AA large AAA normal
TextBlack text16.93:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #FFE91F in the contrast checker.

Colors That Go With #FFE91F

Pairings derived from color-wheel relationships. The complementary color sits opposite #FFE91F; 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 #FFE91F

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 #FFE91F.

How #FFE91F 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#FFE91F
Protanopia#EDED1E
Protanomaly#F4EB1E
Deuteranopia#F1F117
Deuteranomaly#F6EE1A
Tritanopia#FFDCDC
Tritanomaly#FFE1B0
Achromatopsia#E7E7E7

Test a full palette in the color blindness simulator.

Using #FFE91F in Code

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

CSS custom property--color-ffe91f: #FFE91F;
CSS backgroundbackground-color: #FFE91F;
Tailwind configcolors: { 'color-ffe91f': '#FFE91F' }
SwiftUIColor(red: 1.000, green: 0.914, blue: 0.122)
Android XML<color name="color_ffe91f">#FFE91F</color>
SVG fillfill="#FFE91F"

More Yellow Colors

#FFE91F sits in the yellow family. These are its neighbours across that family's full range, each with its own breakdown.

#FFE91F Frequently Asked Questions

What color is #FFE91F?

#FFE91F is a mid-tone yellow — rgb(255, 233, 31) in RGB and hsl(54, 100%, 56%) in HSL. It carries no registered color name of its own; the closest named color is Medium Yellow (#FFE302), which is very hard to tell apart at a CIE76 distance of 3.65.

What is the RGB value of #FFE91F?

#FFE91F is rgb(255, 233, 31) — red 255, green 233, and blue 31 on the 0-255 scale.

What is the CMYK value of #FFE91F?

#FFE91F converts to approximately cmyk(0%, 9%, 88%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #FFE91F be black or white?

Black text is the more readable choice. #FFE91F scores 1.24:1 against white and 16.93:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #FFE91F as a CSS color keyword?

No. #FFE91F 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 gold (#FFD700) at a CIE76 distance of 9.48, which is clearly related but distinguishable side by side.

Open #FFE91F in a Tool

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