#21f2af
a balanced, electric cyan · cool · closest name: aquamarine
RGB
33, 242, 175
HSL
161°, 89%, 54%
CMYK
86, 0, 28, 5
Luminance
0.6692
Every format
| HEX | #21f2af |
| RGB | rgb(33, 242, 175) |
| HSL | hsl(161, 89%, 54%) |
| CMYK | cmyk(86%, 0%, 28%, 5%) |
| LAB | lab(85.5 -62.3 19.3) |
| LCH | lch(85.5 65.2 162.8) |
| OKLCH | oklch(0.853 0.177 163.9) |
Copy-ready code
/* CSS */
color: #21f2af;
background-color: #21f2af;
/* Tailwind (arbitrary) */
class="text-[#21f2af] bg-[#21f2af]"
/* SCSS */
$brand: #21f2af;
/* SwiftUI */
Color(red: 0.129, green: 0.949, blue: 0.686)
/* Android */
Color.parseColor("#21f2af")Accessibility — WCAG contrast
Aa
#21f2af on white: 1.46:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21f2af on black: 14.38:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green94.9%
Blue68.6%
CMYK percentages
Cyan86.4%
Magenta0.0%
Yellow27.7%
Key (black)5.1%
Color previews
#21f2af text on a black background
contrast 14.38:1
Card sample
#21f2af text on a white background
contrast 1.46:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21f2af;
Background color
Panel with #21f2af background
background-color: #21f2af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21f2af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 242, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 242, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21f2af; background: linear-gradient(135deg, #21f2af, #21A9F2);