#21ffaf
a balanced, electric green · cool · closest name: aquamarine
RGB
33, 255, 175
HSL
158°, 100%, 57%
CMYK
87, 0, 31, 0
Luminance
0.7494
Every format
| HEX | #21ffaf |
| RGB | rgb(33, 255, 175) |
| HSL | hsl(158, 100%, 57%) |
| CMYK | cmyk(87%, 0%, 31%, 0%) |
| LAB | lab(89.4 -67.0 24.6) |
| LCH | lch(89.4 71.4 159.8) |
| OKLCH | oklch(0.885 0.192 161.1) |
Copy-ready code
/* CSS */
color: #21ffaf;
background-color: #21ffaf;
/* Tailwind (arbitrary) */
class="text-[#21ffaf] bg-[#21ffaf]"
/* SCSS */
$brand: #21ffaf;
/* SwiftUI */
Color(red: 0.129, green: 1.000, blue: 0.686)
/* Android */
Color.parseColor("#21ffaf")Accessibility — WCAG contrast
Aa
#21ffaf on white: 1.31:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21ffaf on black: 15.99:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green100.0%
Blue68.6%
CMYK percentages
Cyan87.1%
Magenta0.0%
Yellow31.4%
Key (black)0.0%
Color previews
#21ffaf text on a black background
contrast 15.99:1
Card sample
#21ffaf text on a white background
contrast 1.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21ffaf;
Background color
Panel with #21ffaf background
background-color: #21ffaf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21ffaf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 255, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 255, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21ffaf; background: linear-gradient(135deg, #21ffaf, #21BBFF);