#42fccc
a balanced, electric cyan · cool · closest name: aquamarine
RGB
66, 252, 204
HSL
165°, 97%, 62%
CMYK
74, 0, 19, 1
Luminance
0.7514
Every format
| HEX | #42fccc |
| RGB | rgb(66, 252, 204) |
| HSL | hsl(165, 97%, 62%) |
| CMYK | cmyk(74%, 0%, 19%, 1%) |
| LAB | lab(89.5 -56.5 10.0) |
| LCH | lch(89.5 57.4 170.0) |
| OKLCH | oklch(0.889 0.160 170.9) |
Copy-ready code
/* CSS */
color: #42fccc;
background-color: #42fccc;
/* Tailwind (arbitrary) */
class="text-[#42fccc] bg-[#42fccc]"
/* SCSS */
$brand: #42fccc;
/* SwiftUI */
Color(red: 0.259, green: 0.988, blue: 0.800)
/* Android */
Color.parseColor("#42fccc")Accessibility — WCAG contrast
Aa
#42fccc on white: 1.31:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42fccc on black: 16.03:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green98.8%
Blue80.0%
CMYK percentages
Cyan73.8%
Magenta0.0%
Yellow19.0%
Key (black)1.2%
Color previews
#42fccc text on a black background
contrast 16.03:1
Card sample
#42fccc text on a white background
contrast 1.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42fccc;
Background color
Panel with #42fccc background
background-color: #42fccc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42fccc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 252, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 252, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42fccc; background: linear-gradient(135deg, #42fccc, #42B0FC);