#51ebba
a balanced, electric cyan · cool · closest name: aquamarine
RGB
81, 235, 186
HSL
161°, 79%, 62%
CMYK
66, 0, 21, 8
Luminance
0.6471
Every format
| HEX | #51ebba |
| RGB | rgb(81, 235, 186) |
| HSL | hsl(161, 79%, 62%) |
| CMYK | cmyk(66%, 0%, 21%, 8%) |
| LAB | lab(84.3 -51.8 12.1) |
| LCH | lch(84.3 53.1 166.9) |
| OKLCH | oklch(0.847 0.147 167.9) |
Copy-ready code
/* CSS */
color: #51ebba;
background-color: #51ebba;
/* Tailwind (arbitrary) */
class="text-[#51ebba] bg-[#51ebba]"
/* SCSS */
$brand: #51ebba;
/* SwiftUI */
Color(red: 0.318, green: 0.922, blue: 0.729)
/* Android */
Color.parseColor("#51ebba")Accessibility — WCAG contrast
Aa
#51ebba on white: 1.51:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#51ebba on black: 13.94:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green92.2%
Blue72.9%
CMYK percentages
Cyan65.5%
Magenta0.0%
Yellow20.9%
Key (black)7.8%
Color previews
#51ebba text on a black background
contrast 13.94:1
Card sample
#51ebba text on a white background
contrast 1.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #51ebba;
Background color
Panel with #51ebba background
background-color: #51ebba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #51ebba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 235, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 235, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #51ebba; background: linear-gradient(135deg, #51ebba, #51B5EB);