#4EF981 Color
#4EF981 is rgb(78, 249, 129) in RGB, hsl(138, 93%, 64%) in HSL, and about cmyk(69%, 0%, 48%, 2%) in CMYK. It has no registered color name of its own — the closest is Spring Green (#00FF7F), clearly related but distinguishable side by side at ΔE 8.68. Black text is the more readable choice on this background.
#4EF981rgb(78, 249, 129)hsl(138, 93%, 64%)hsv(138, 69%, 98%)cmyk(69%, 0%, 48%, 2%)oklch(86.9% 0.214 149.2)lab(87.45% -64.08 44.08)lch(87.45% 77.78 145.48)What #4EF981 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 #4EF981, 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 green in the library.
#4EF981 Channel Values
How #4EF981 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 78 · G 249 · B 129 | 8-bit channels as sent to the display |
| HSL | H 138° · S 93% · L 64% | Easiest model for building lighter and darker variants |
| HSV | H 138° · S 69% · V 98% | Matches the picker in most design tools |
| CMYK | C 69% · M 0% · Y 48% · K 2% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.38:1 vs white · 15.19:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #4EF981 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.
Need a specific ratio against another background? Open #4EF981 in the contrast checker.
Colors That Go With #4EF981
Pairings derived from color-wheel relationships. The complementary color sits opposite #4EF981; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #4EF981
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #4EF981.
How #4EF981 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.
#4EF981#E7E782#BDEE82#D4D487#AFE485#72EEEE#66F3CC#DBDBDBUsing #4EF981 in Code
Copy-ready declarations for the places this color usually ends up.
--color-4ef981: #4EF981;background-color: #4EF981;colors: { 'color-4ef981': '#4EF981' }Color(red: 0.306, green: 0.976, blue: 0.506)<color name="color_4ef981">#4EF981</color>fill="#4EF981"More Green Colors
#4EF981 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#4EF981 Frequently Asked Questions
What color is #4EF981?
#4EF981 is a light green — rgb(78, 249, 129) in RGB and hsl(138, 93%, 64%) in HSL. It carries no registered color name of its own; the closest named color is Spring Green (#00FF7F), which is clearly related but distinguishable side by side at a CIE76 distance of 8.68.
What is the RGB value of #4EF981?
#4EF981 is rgb(78, 249, 129) — red 78, green 249, and blue 129 on the 0-255 scale.
What is the CMYK value of #4EF981?
#4EF981 converts to approximately cmyk(69%, 0%, 48%, 2%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #4EF981 be black or white?
Black text is the more readable choice. #4EF981 scores 1.38:1 against white and 15.19:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #4EF981 as a CSS color keyword?
No. #4EF981 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 springgreen (#00FF7F) at a CIE76 distance of 8.68, which is clearly related but distinguishable side by side.
Open #4EF981 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.