#21eee3
a balanced, electric cyan · cool · closest name: turquoise
RGB
33, 238, 227
HSL
177°, 86%, 53%
CMYK
86, 0, 5, 7
Luminance
0.6702
Every format
| HEX | #21eee3 |
| RGB | rgb(33, 238, 227) |
| HSL | hsl(177, 86%, 53%) |
| CMYK | cmyk(86%, 0%, 5%, 7%) |
| LAB | lab(85.5 -47.7 -7.8) |
| LCH | lch(85.5 48.3 189.3) |
| OKLCH | oklch(0.858 0.145 188.8) |
Copy-ready code
/* CSS */
color: #21eee3;
background-color: #21eee3;
/* Tailwind (arbitrary) */
class="text-[#21eee3] bg-[#21eee3]"
/* SCSS */
$brand: #21eee3;
/* SwiftUI */
Color(red: 0.129, green: 0.933, blue: 0.890)
/* Android */
Color.parseColor("#21eee3")Accessibility — WCAG contrast
Aa
#21eee3 on white: 1.46:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21eee3 on black: 14.40:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green93.3%
Blue89.0%
CMYK percentages
Cyan86.1%
Magenta0.0%
Yellow4.6%
Key (black)6.7%
Color previews
#21eee3 text on a black background
contrast 14.40:1
Card sample
#21eee3 text on a white background
contrast 1.46:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21eee3;
Background color
Panel with #21eee3 background
background-color: #21eee3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21eee3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 238, 227, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 238, 227, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21eee3; background: linear-gradient(135deg, #21eee3, #2170EE);