#4ED421 Color
#4ED421 is rgb(78, 212, 33) in RGB, hsl(105, 73%, 48%) in HSL, and about cmyk(63%, 0%, 84%, 17%) in CMYK. It has no registered color name of its own — the closest is SGBUS Green (#55DD33), very hard to tell apart at ΔE 3.59. Black text is the more readable choice on this background.
#4ED421rgb(78, 212, 33)hsl(105, 73%, 48%)hsv(105, 84%, 83%)cmyk(63%, 0%, 84%, 17%)oklch(76.6% 0.235 139.8)lab(75.44% -59.55 67.40)lch(75.44% 89.94 131.46)What #4ED421 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 #4ED421, 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.
#4ED421 Channel Values
How #4ED421 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 212 · B 33 | 8-bit channels as sent to the display |
| HSL | H 105° · S 73% · L 48% | Easiest model for building lighter and darker variants |
| HSV | H 105° · S 84% · V 83% | Matches the picker in most design tools |
| CMYK | C 63% · M 0% · Y 84% · K 17% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.95:1 vs white · 10.76:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #4ED421 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 #4ED421 in the contrast checker.
Colors That Go With #4ED421
Pairings derived from color-wheel relationships. The complementary color sits opposite #4ED421; 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 #4ED421
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 #4ED421.
How #4ED421 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.
#4ED421#C5C524#A3CB23#B6B632#97C32C#6FC8C8#63CDA0#BABABAUsing #4ED421 in Code
Copy-ready declarations for the places this color usually ends up.
--color-4ed421: #4ED421;background-color: #4ED421;colors: { 'color-4ed421': '#4ED421' }Color(red: 0.306, green: 0.831, blue: 0.129)<color name="color_4ed421">#4ED421</color>fill="#4ED421"More Green Colors
#4ED421 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#4ED421 Frequently Asked Questions
What color is #4ED421?
#4ED421 is a mid-tone green — rgb(78, 212, 33) in RGB and hsl(105, 73%, 48%) in HSL. It carries no registered color name of its own; the closest named color is SGBUS Green (#55DD33), which is very hard to tell apart at a CIE76 distance of 3.59.
What is the RGB value of #4ED421?
#4ED421 is rgb(78, 212, 33) — red 78, green 212, and blue 33 on the 0-255 scale.
What is the CMYK value of #4ED421?
#4ED421 converts to approximately cmyk(63%, 0%, 84%, 17%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #4ED421 be black or white?
Black text is the more readable choice. #4ED421 scores 1.95:1 against white and 10.76:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #4ED421 as a CSS color keyword?
No. #4ED421 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 limegreen (#32CD32) at a CIE76 distance of 8.18, which is clearly related but distinguishable side by side.
Open #4ED421 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.