#21bc8c
a dark, vivid cyan · cool · closest name: seagreen
RGB
33, 188, 140
HSL
161°, 70%, 43%
CMYK
82, 0, 26, 26
Luminance
0.3818
Every format
| HEX | #21bc8c |
| RGB | rgb(33, 188, 140) |
| HSL | hsl(161, 70%, 43%) |
| CMYK | cmyk(82%, 0%, 26%, 26%) |
| LAB | lab(68.2 -49.6 13.6) |
| LCH | lch(68.2 51.5 164.7) |
| OKLCH | oklch(0.708 0.141 165.7) |
Copy-ready code
/* CSS */
color: #21bc8c;
background-color: #21bc8c;
/* Tailwind (arbitrary) */
class="text-[#21bc8c] bg-[#21bc8c]"
/* SCSS */
$brand: #21bc8c;
/* SwiftUI */
Color(red: 0.129, green: 0.737, blue: 0.549)
/* Android */
Color.parseColor("#21bc8c")Accessibility — WCAG contrast
Aa
#21bc8c on white: 2.43:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21bc8c on black: 8.64:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green73.7%
Blue54.9%
CMYK percentages
Cyan82.4%
Magenta0.0%
Yellow25.5%
Key (black)26.3%
Color previews
#21bc8c text on a black background
contrast 8.64:1
Card sample
#21bc8c text on a white background
contrast 2.43:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21bc8c;
Background color
Panel with #21bc8c background
background-color: #21bc8c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21bc8c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 188, 140, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 188, 140, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21bc8c; background: linear-gradient(135deg, #21bc8c, #2185BC);