#21df97
a balanced, vivid green · cool · closest name: aquamarine
RGB
33, 223, 151
HSL
157°, 75%, 50%
CMYK
85, 0, 32, 13
Luminance
0.5533
Every format
| HEX | #21df97 |
| RGB | rgb(33, 223, 151) |
| HSL | hsl(157, 75%, 50%) |
| CMYK | cmyk(85%, 0%, 32%, 13%) |
| LAB | lab(79.2 -60.5 23.1) |
| LCH | lch(79.2 64.8 159.1) |
| OKLCH | oklch(0.800 0.174 160.4) |
Copy-ready code
/* CSS */
color: #21df97;
background-color: #21df97;
/* Tailwind (arbitrary) */
class="text-[#21df97] bg-[#21df97]"
/* SCSS */
$brand: #21df97;
/* SwiftUI */
Color(red: 0.129, green: 0.875, blue: 0.592)
/* Android */
Color.parseColor("#21df97")Accessibility — WCAG contrast
Aa
#21df97 on white: 1.74:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21df97 on black: 12.07:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green87.5%
Blue59.2%
CMYK percentages
Cyan85.2%
Magenta0.0%
Yellow32.3%
Key (black)12.5%
Color previews
#21df97 text on a black background
contrast 12.07:1
Card sample
#21df97 text on a white background
contrast 1.74:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21df97;
Background color
Panel with #21df97 background
background-color: #21df97;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21df97;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 223, 151, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 223, 151, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21df97; background: linear-gradient(135deg, #21df97, #21A8DF);