#21fe21
a balanced, electric green · cool · closest name: lime
RGB
33, 254, 33
HSL
120°, 99%, 56%
CMYK
87, 0, 87, 0
Luminance
0.7132
Every format
| HEX | #21fe21 |
| RGB | rgb(33, 254, 33) |
| HSL | hsl(120, 99%, 56%) |
| CMYK | cmyk(87%, 0%, 87%, 0%) |
| LAB | lab(87.6 -83.8 79.5) |
| LCH | lch(87.6 115.5 136.5) |
| OKLCH | oklch(0.866 0.286 142.6) |
Copy-ready code
/* CSS */
color: #21fe21;
background-color: #21fe21;
/* Tailwind (arbitrary) */
class="text-[#21fe21] bg-[#21fe21]"
/* SCSS */
$brand: #21fe21;
/* SwiftUI */
Color(red: 0.129, green: 0.996, blue: 0.129)
/* Android */
Color.parseColor("#21fe21")Accessibility — WCAG contrast
Aa
#21fe21 on white: 1.38:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21fe21 on black: 15.26:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green99.6%
Blue12.9%
CMYK percentages
Cyan87.0%
Magenta0.0%
Yellow87.0%
Key (black)0.4%
Color previews
#21fe21 text on a black background
contrast 15.26:1
Card sample
#21fe21 text on a white background
contrast 1.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21fe21;
Background color
Panel with #21fe21 background
background-color: #21fe21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21fe21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 254, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 254, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21fe21; background: linear-gradient(135deg, #21fe21, #21FEB4);