#21f721
a balanced, electric green · cool · closest name: lime
RGB
33, 247, 33
HSL
120°, 93%, 55%
CMYK
87, 0, 87, 3
Luminance
0.6695
Every format
| HEX | #21f721 |
| RGB | rgb(33, 247, 33) |
| HSL | hsl(120, 93%, 55%) |
| CMYK | cmyk(87%, 0%, 87%, 3%) |
| LAB | lab(85.5 -81.9 77.6) |
| LCH | lch(85.5 112.8 136.6) |
| OKLCH | oklch(0.848 0.280 142.6) |
Copy-ready code
/* CSS */
color: #21f721;
background-color: #21f721;
/* Tailwind (arbitrary) */
class="text-[#21f721] bg-[#21f721]"
/* SCSS */
$brand: #21f721;
/* SwiftUI */
Color(red: 0.129, green: 0.969, blue: 0.129)
/* Android */
Color.parseColor("#21f721")Accessibility — WCAG contrast
Aa
#21f721 on white: 1.46:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21f721 on black: 14.39:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green96.9%
Blue12.9%
CMYK percentages
Cyan86.6%
Magenta0.0%
Yellow86.6%
Key (black)3.1%
Color previews
#21f721 text on a black background
contrast 14.39:1
Card sample
#21f721 text on a white background
contrast 1.46:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21f721;
Background color
Panel with #21f721 background
background-color: #21f721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21f721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 247, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 247, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21f721; background: linear-gradient(135deg, #21f721, #21F7B0);