#4dff21
a balanced, electric green · cool · closest name: lime
RGB
77, 255, 33
HSL
108°, 100%, 57%
CMYK
70, 0, 87, 0
Luminance
0.7321
Every format
| HEX | #4dff21 |
| RGB | rgb(77, 255, 33) |
| HSL | hsl(108, 100%, 57%) |
| CMYK | cmyk(70%, 0%, 87%, 0%) |
| LAB | lab(88.5 -78.8 80.5) |
| LCH | lch(88.5 112.6 134.4) |
| OKLCH | oklch(0.875 0.278 140.8) |
Copy-ready code
/* CSS */
color: #4dff21;
background-color: #4dff21;
/* Tailwind (arbitrary) */
class="text-[#4dff21] bg-[#4dff21]"
/* SCSS */
$brand: #4dff21;
/* SwiftUI */
Color(red: 0.302, green: 1.000, blue: 0.129)
/* Android */
Color.parseColor("#4dff21")Accessibility — WCAG contrast
Aa
#4dff21 on white: 1.34:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4dff21 on black: 15.64:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red30.2%
Green100.0%
Blue12.9%
CMYK percentages
Cyan69.8%
Magenta0.0%
Yellow87.1%
Key (black)0.0%
Color previews
#4dff21 text on a black background
contrast 15.64:1
Card sample
#4dff21 text on a white background
contrast 1.34:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4dff21;
Background color
Panel with #4dff21 background
background-color: #4dff21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4dff21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(77, 255, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(77, 255, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4dff21; background: linear-gradient(135deg, #4dff21, #21FF89);