#21fdfc
a balanced, electric cyan · cool · “cyan”
RGB
33, 253, 252
HSL
180°, 98%, 56%
CMYK
87, 0, 0, 1
Luminance
0.7760
Every format
| HEX | #21fdfc |
| RGB | rgb(33, 253, 252) |
| HSL | hsl(180, 98%, 56%) |
| CMYK | cmyk(87%, 0%, 0%, 1%) |
| LAB | lab(90.6 -47.1 -13.3) |
| LCH | lch(90.6 49.0 195.8) |
| OKLCH | oklch(0.901 0.151 194.3) |
Copy-ready code
/* CSS */
color: #21fdfc;
background-color: #21fdfc;
/* Tailwind (arbitrary) */
class="text-[#21fdfc] bg-[#21fdfc]"
/* SCSS */
$brand: #21fdfc;
/* SwiftUI */
Color(red: 0.129, green: 0.992, blue: 0.988)
/* Android */
Color.parseColor("#21fdfc")Accessibility — WCAG contrast
Aa
#21fdfc on white: 1.27:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21fdfc on black: 16.52:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green99.2%
Blue98.8%
CMYK percentages
Cyan87.0%
Magenta0.0%
Yellow0.4%
Key (black)0.8%
Color previews
#21fdfc text on a black background
contrast 16.52:1
Card sample
#21fdfc text on a white background
contrast 1.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21fdfc;
Background color
Panel with #21fdfc background
background-color: #21fdfc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21fdfc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 253, 252, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 253, 252, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21fdfc; background: linear-gradient(135deg, #21fdfc, #216CFD);