#21f366
a balanced, electric green · cool · closest name: lime
RGB
33, 243, 102
HSL
140°, 90%, 54%
CMYK
86, 0, 58, 5
Luminance
0.6538
Every format
| HEX | #21f366 |
| RGB | rgb(33, 243, 102) |
| HSL | hsl(140, 90%, 54%) |
| CMYK | cmyk(86%, 0%, 58%, 5%) |
| LAB | lab(84.7 -75.3 53.9) |
| LCH | lch(84.7 92.6 144.4) |
| OKLCH | oklch(0.843 0.239 147.7) |
Copy-ready code
/* CSS */
color: #21f366;
background-color: #21f366;
/* Tailwind (arbitrary) */
class="text-[#21f366] bg-[#21f366]"
/* SCSS */
$brand: #21f366;
/* SwiftUI */
Color(red: 0.129, green: 0.953, blue: 0.400)
/* Android */
Color.parseColor("#21f366")Accessibility — WCAG contrast
Aa
#21f366 on white: 1.49:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21f366 on black: 14.08:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green95.3%
Blue40.0%
CMYK percentages
Cyan86.4%
Magenta0.0%
Yellow58.0%
Key (black)4.7%
Color previews
#21f366 text on a black background
contrast 14.08:1
Card sample
#21f366 text on a white background
contrast 1.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21f366;
Background color
Panel with #21f366 background
background-color: #21f366;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21f366;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 243, 102, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 243, 102, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21f366; background: linear-gradient(135deg, #21f366, #21F3F2);