#21e390
a balanced, electric green · cool · closest name: aquamarine
RGB
33, 227, 144
HSL
154°, 78%, 51%
CMYK
86, 0, 37, 11
Luminance
0.5728
Every format
| HEX | #21e390 |
| RGB | rgb(33, 227, 144) |
| HSL | hsl(154, 78%, 51%) |
| CMYK | cmyk(86%, 0%, 37%, 11%) |
| LAB | lab(80.3 -63.4 28.2) |
| LCH | lch(80.3 69.3 156.0) |
| OKLCH | oklch(0.809 0.185 157.5) |
Copy-ready code
/* CSS */
color: #21e390;
background-color: #21e390;
/* Tailwind (arbitrary) */
class="text-[#21e390] bg-[#21e390]"
/* SCSS */
$brand: #21e390;
/* SwiftUI */
Color(red: 0.129, green: 0.890, blue: 0.565)
/* Android */
Color.parseColor("#21e390")Accessibility — WCAG contrast
Aa
#21e390 on white: 1.69:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21e390 on black: 12.46:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green89.0%
Blue56.5%
CMYK percentages
Cyan85.5%
Magenta0.0%
Yellow36.6%
Key (black)11.0%
Color previews
#21e390 text on a black background
contrast 12.46:1
Card sample
#21e390 text on a white background
contrast 1.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21e390;
Background color
Panel with #21e390 background
background-color: #21e390;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21e390;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 227, 144, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 227, 144, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21e390; background: linear-gradient(135deg, #21e390, #21B5E3);