#21fdba
a balanced, electric cyan · cool · closest name: aquamarine
RGB
33, 253, 186
HSL
162°, 98%, 56%
CMYK
87, 0, 27, 1
Luminance
0.7412
Every format
| HEX | #21fdba |
| RGB | rgb(33, 253, 186) |
| HSL | hsl(162, 98%, 56%) |
| CMYK | cmyk(87%, 0%, 27%, 1%) |
| LAB | lab(89.0 -63.9 18.5) |
| LCH | lch(89.0 66.5 163.9) |
| OKLCH | oklch(0.883 0.181 164.9) |
Copy-ready code
/* CSS */
color: #21fdba;
background-color: #21fdba;
/* Tailwind (arbitrary) */
class="text-[#21fdba] bg-[#21fdba]"
/* SCSS */
$brand: #21fdba;
/* SwiftUI */
Color(red: 0.129, green: 0.992, blue: 0.729)
/* Android */
Color.parseColor("#21fdba")Accessibility — WCAG contrast
Aa
#21fdba on white: 1.33:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21fdba on black: 15.82:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green99.2%
Blue72.9%
CMYK percentages
Cyan87.0%
Magenta0.0%
Yellow26.5%
Key (black)0.8%
Color previews
#21fdba text on a black background
contrast 15.82:1
Card sample
#21fdba text on a white background
contrast 1.33:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21fdba;
Background color
Panel with #21fdba background
background-color: #21fdba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21fdba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 253, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 253, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21fdba; background: linear-gradient(135deg, #21fdba, #21ADFD);