#EFB20B Color

#EFB20B is rgb(239, 178, 11) in RGB, hsl(44, 91%, 49%) in HSL, and about cmyk(0%, 26%, 95%, 6%) in CMYK. It has no registered color name of its own — the closest is Spanish Yellow (#F6B511), below the threshold most people can see at ΔE 2.24. Black text is the more readable choice on this background.

#EFB20B

HEX#EFB20B

RGBrgb(239, 178, 11)

HSLhsl(44, 91%, 49%)

HSVhsv(44, 95%, 94%)

CMYKcmyk(0%, 26%, 95%, 6%)

OKLCHoklch(79.9% 0.163 83.4)

LABlab(76.76% 14.39 77.57)

LCHlch(76.76% 78.90 79.49)

What #EFB20B 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 #EFB20B, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Spanish Yellow#F6B511ΔE 2.24 Traffic Yellow#F7B500ΔE 3.6 Orange-yellow#F5BD1FΔE 4.35 Mustard Yellow#E1AD01ΔE 4.76 Microsoft Yellow#FDB900ΔE 5.69 Ripe Mango#FFC324ΔE 6.09

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

#EFB20B Channel Values

How #EFB20B 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 239 · G 178 · B 11	8-bit channels as sent to the display
HSL	H 44° · S 91% · L 49%	Easiest model for building lighter and darker variants
HSV	H 44° · S 95% · V 94%	Matches the picker in most design tools
CMYK	C 0% · M 26% · Y 95% · K 6%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	1.9:1 vs white · 11.04:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #EFB20B 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 text1.9:1AA normal AA large AAA normal

TextBlack text11.04:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #EFB20B in the contrast checker.

Colors That Go With #EFB20B

Pairings derived from color-wheel relationships. The complementary color sits opposite #EFB20B; 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 #EFB20B

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 #EFB20B.

How #EFB20B 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#EFB20B

Protanopia#BEBE05

Protanomaly#D4B907

Deuteranopia#C9C900

Deuteranomaly#D9C000

Tritanopia#F6A8A8

Tritanomaly#F3AC85

Achromatopsia#BCBCBC

Test a full palette in the color blindness simulator.

Using #EFB20B in Code

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

CSS custom property--color-efb20b: #EFB20B;

CSS backgroundbackground-color: #EFB20B;

Tailwind configcolors: { 'color-efb20b': '#EFB20B' }

SwiftUIColor(red: 0.937, green: 0.698, blue: 0.043)

Android XML<color name="color_efb20b">#EFB20B</color>

SVG fillfill="#EFB20B"

More Yellow Colors

#EFB20B 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

#EFB20B Frequently Asked Questions

What color is #EFB20B?

#EFB20B is a mid-tone yellow — rgb(239, 178, 11) in RGB and hsl(44, 91%, 49%) in HSL. It carries no registered color name of its own; the closest named color is Spanish Yellow (#F6B511), which is below the threshold most people can see at a CIE76 distance of 2.24.

What is the RGB value of #EFB20B?

#EFB20B is rgb(239, 178, 11) — red 239, green 178, and blue 11 on the 0-255 scale.

What is the CMYK value of #EFB20B?

#EFB20B converts to approximately cmyk(0%, 26%, 95%, 6%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #EFB20B be black or white?

Black text is the more readable choice. #EFB20B scores 1.9:1 against white and 11.04:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #EFB20B as a CSS color keyword?

No. #EFB20B 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 goldenrod (#DAA520) at a CIE76 distance of 10.65, which is visibly different.

Open #EFB20B 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.