#21d721
a balanced, vivid green · cool · closest name: lime
RGB
33, 215, 33
HSL
120°, 73%, 49%
CMYK
85, 0, 85, 16
Luminance
0.4903
Every format
| HEX | #21d721 |
| RGB | rgb(33, 215, 33) |
| HSL | hsl(120, 73%, 49%) |
| CMYK | cmyk(85%, 0%, 85%, 16%) |
| LAB | lab(75.5 -73.1 68.8) |
| LCH | lch(75.5 100.3 136.7) |
| OKLCH | oklch(0.765 0.249 142.6) |
Copy-ready code
/* CSS */
color: #21d721;
background-color: #21d721;
/* Tailwind (arbitrary) */
class="text-[#21d721] bg-[#21d721]"
/* SCSS */
$brand: #21d721;
/* SwiftUI */
Color(red: 0.129, green: 0.843, blue: 0.129)
/* Android */
Color.parseColor("#21d721")Accessibility — WCAG contrast
Aa
#21d721 on white: 1.94:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21d721 on black: 10.81:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green84.3%
Blue12.9%
CMYK percentages
Cyan84.7%
Magenta0.0%
Yellow84.7%
Key (black)15.7%
Color previews
#21d721 text on a black background
contrast 10.81:1
Card sample
#21d721 text on a white background
contrast 1.94:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21d721;
Background color
Panel with #21d721 background
background-color: #21d721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21d721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 215, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 215, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21d721; background: linear-gradient(135deg, #21d721, #21D79A);