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#ECF80D Color

#ECF80D is rgb(236, 248, 13) in RGB, hsl(63, 94%, 51%) in HSL, and about cmyk(5%, 0%, 95%, 3%) in CMYK. It has no registered color name of its own — the closest is Watermelon Yellow (#EEFF1B), very hard to tell apart at ΔE 2.97. Black text is the more readable choice on this background.

#ECF80D
HEX#ECF80D
RGBrgb(236, 248, 13)
HSLhsl(63, 94%, 51%)
HSVhsv(63, 95%, 97%)
CMYKcmyk(5%, 0%, 95%, 3%)
OKLCHoklch(93.8% 0.208 113.3)
LABlab(94.30% -20.19 89.36)
LCHlch(94.30% 91.62 102.73)

What #ECF80D 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 #ECF80D, 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.

#ECF80D Channel Values

How #ECF80D 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 236 · G 248 · B 138-bit channels as sent to the display
HSLH 63° · S 94% · L 51%Easiest model for building lighter and darker variants
HSVH 63° · S 95% · V 97%Matches the picker in most design tools
CMYKC 5% · M 0% · Y 95% · K 3%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.17:1 vs white · 18:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #ECF80D 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 text1.17:1AA normal AA large AAA normal
TextBlack text18:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #ECF80D in the contrast checker.

Colors That Go With #ECF80D

Pairings derived from color-wheel relationships. The complementary color sits opposite #ECF80D; 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 #ECF80D

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 #ECF80D.

How #ECF80D 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#ECF80D
Protanopia#F6F60E
Protanomaly#F2F70E
Deuteranopia#F4F414
Deuteranomaly#F1F611
Tritanopia#FAEAEA
Tritanomaly#F5F0BB
Achromatopsia#EDEDED

Test a full palette in the color blindness simulator.

Using #ECF80D in Code

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

CSS custom property--color-ecf80d: #ECF80D;
CSS backgroundbackground-color: #ECF80D;
Tailwind configcolors: { 'color-ecf80d': '#ECF80D' }
SwiftUIColor(red: 0.925, green: 0.973, blue: 0.051)
Android XML<color name="color_ecf80d">#ECF80D</color>
SVG fillfill="#ECF80D"

More Yellow Colors

#ECF80D sits in the yellow family. These are its neighbours across that family's full range, each with its own breakdown.

#ECF80D Frequently Asked Questions

What color is #ECF80D?

#ECF80D is a mid-tone yellow — rgb(236, 248, 13) in RGB and hsl(63, 94%, 51%) in HSL. It carries no registered color name of its own; the closest named color is Watermelon Yellow (#EEFF1B), which is very hard to tell apart at a CIE76 distance of 2.97.

What is the RGB value of #ECF80D?

#ECF80D is rgb(236, 248, 13) — red 236, green 248, and blue 13 on the 0-255 scale.

What is the CMYK value of #ECF80D?

#ECF80D converts to approximately cmyk(5%, 0%, 95%, 3%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #ECF80D be black or white?

Black text is the more readable choice. #ECF80D scores 1.17:1 against white and 18:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #ECF80D as a CSS color keyword?

No. #ECF80D 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 yellow (#FFFF00) at a CIE76 distance of 6.85, which is clearly related but distinguishable side by side.

Open #ECF80D in a Tool

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