#4ff921
a balanced, electric green · cool · closest name: lime
RGB
79, 249, 33
HSL
107°, 95%, 55%
CMYK
68, 0, 87, 2
Luminance
0.6952
Every format
| HEX | #4ff921 |
| RGB | rgb(79, 249, 33) |
| HSL | hsl(107, 95%, 55%) |
| CMYK | cmyk(68%, 0%, 87%, 2%) |
| LAB | lab(86.8 -76.6 79.0) |
| LCH | lch(86.8 110.0 134.1) |
| OKLCH | oklch(0.861 0.272 140.6) |
Copy-ready code
/* CSS */
color: #4ff921;
background-color: #4ff921;
/* Tailwind (arbitrary) */
class="text-[#4ff921] bg-[#4ff921]"
/* SCSS */
$brand: #4ff921;
/* SwiftUI */
Color(red: 0.310, green: 0.976, blue: 0.129)
/* Android */
Color.parseColor("#4ff921")Accessibility — WCAG contrast
Aa
#4ff921 on white: 1.41:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4ff921 on black: 14.90:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.0%
Green97.6%
Blue12.9%
CMYK percentages
Cyan68.3%
Magenta0.0%
Yellow86.7%
Key (black)2.4%
Color previews
#4ff921 text on a black background
contrast 14.90:1
Card sample
#4ff921 text on a white background
contrast 1.41:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4ff921;
Background color
Panel with #4ff921 background
background-color: #4ff921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4ff921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(79, 249, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(79, 249, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4ff921; background: linear-gradient(135deg, #4ff921, #21F983);