#21fdcc
a balanced, electric cyan · cool · closest name: aquamarine
RGB
33, 253, 204
HSL
167°, 98%, 56%
CMYK
87, 0, 19, 1
Luminance
0.7493
Every format
| HEX | #21fdcc |
| RGB | rgb(33, 253, 204) |
| HSL | hsl(167, 98%, 56%) |
| CMYK | cmyk(87%, 0%, 19%, 1%) |
| LAB | lab(89.4 -59.7 9.8) |
| LCH | lch(89.4 60.5 170.7) |
| OKLCH | oklch(0.887 0.169 171.5) |
Copy-ready code
/* CSS */
color: #21fdcc;
background-color: #21fdcc;
/* Tailwind (arbitrary) */
class="text-[#21fdcc] bg-[#21fdcc]"
/* SCSS */
$brand: #21fdcc;
/* SwiftUI */
Color(red: 0.129, green: 0.992, blue: 0.800)
/* Android */
Color.parseColor("#21fdcc")Accessibility — WCAG contrast
Aa
#21fdcc on white: 1.31:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21fdcc on black: 15.99:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green99.2%
Blue80.0%
CMYK percentages
Cyan87.0%
Magenta0.0%
Yellow19.4%
Key (black)0.8%
Color previews
#21fdcc text on a black background
contrast 15.99:1
Card sample
#21fdcc text on a white background
contrast 1.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21fdcc;
Background color
Panel with #21fdcc background
background-color: #21fdcc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21fdcc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 253, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 253, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21fdcc; background: linear-gradient(135deg, #21fdcc, #219CFD);