#3ffddf
a balanced, electric cyan · cool · closest name: aquamarine
RGB
63, 253, 223
HSL
171°, 98%, 62%
CMYK
75, 0, 12, 1
Luminance
0.7664
Every format
| HEX | #3ffddf |
| RGB | rgb(63, 253, 223) |
| HSL | hsl(171, 98%, 62%) |
| CMYK | cmyk(75%, 0%, 12%, 1%) |
| LAB | lab(90.2 -52.6 1.1) |
| LCH | lch(90.2 52.6 178.8) |
| OKLCH | oklch(0.896 0.151 179.2) |
Copy-ready code
/* CSS */
color: #3ffddf;
background-color: #3ffddf;
/* Tailwind (arbitrary) */
class="text-[#3ffddf] bg-[#3ffddf]"
/* SCSS */
$brand: #3ffddf;
/* SwiftUI */
Color(red: 0.247, green: 0.992, blue: 0.875)
/* Android */
Color.parseColor("#3ffddf")Accessibility — WCAG contrast
Aa
#3ffddf on white: 1.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3ffddf on black: 16.33:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green99.2%
Blue87.5%
CMYK percentages
Cyan75.1%
Magenta0.0%
Yellow11.9%
Key (black)0.8%
Color previews
#3ffddf text on a black background
contrast 16.33:1
Card sample
#3ffddf text on a white background
contrast 1.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3ffddf;
Background color
Panel with #3ffddf background
background-color: #3ffddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3ffddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 253, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 253, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3ffddf; background: linear-gradient(135deg, #3ffddf, #3F9DFD);