#51fccc
a light, electric cyan · cool · closest name: aquamarine
RGB
81, 252, 204
HSL
163°, 97%, 65%
CMYK
68, 0, 19, 1
Luminance
0.7573
Every format
| HEX | #51fccc |
| RGB | rgb(81, 252, 204) |
| HSL | hsl(163, 97%, 65%) |
| CMYK | cmyk(68%, 0%, 19%, 1%) |
| LAB | lab(89.7 -54.5 10.4) |
| LCH | lch(89.7 55.5 169.2) |
| OKLCH | oklch(0.892 0.155 170.1) |
Copy-ready code
/* CSS */
color: #51fccc;
background-color: #51fccc;
/* Tailwind (arbitrary) */
class="text-[#51fccc] bg-[#51fccc]"
/* SCSS */
$brand: #51fccc;
/* SwiftUI */
Color(red: 0.318, green: 0.988, blue: 0.800)
/* Android */
Color.parseColor("#51fccc")Accessibility — WCAG contrast
Aa
#51fccc on white: 1.30:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51fccc on black: 16.15:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green98.8%
Blue80.0%
CMYK percentages
Cyan67.9%
Magenta0.0%
Yellow19.0%
Key (black)1.2%
Color previews
#51fccc text on a black background
contrast 16.15:1
Card sample
#51fccc text on a white background
contrast 1.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51fccc;
Background color
Panel with #51fccc background
background-color: #51fccc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51fccc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 252, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 252, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51fccc; background: linear-gradient(135deg, #51fccc, #51BAFC);