#42deee
a balanced, electric cyan · cool · closest name: cyan
RGB
66, 222, 238
HSL
186°, 84%, 60%
CMYK
72, 7, 0, 7
Luminance
0.5957
Every format
| HEX | #42deee |
| RGB | rgb(66, 222, 238) |
| HSL | hsl(186, 84%, 60%) |
| CMYK | cmyk(72%, 7%, 0%, 7%) |
| LAB | lab(81.6 -34.5 -19.5) |
| LCH | lch(81.6 39.6 209.4) |
| OKLCH | oklch(0.828 0.127 205.2) |
Copy-ready code
/* CSS */
color: #42deee;
background-color: #42deee;
/* Tailwind (arbitrary) */
class="text-[#42deee] bg-[#42deee]"
/* SCSS */
$brand: #42deee;
/* SwiftUI */
Color(red: 0.259, green: 0.871, blue: 0.933)
/* Android */
Color.parseColor("#42deee")Accessibility — WCAG contrast
Aa
#42deee on white: 1.63:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42deee on black: 12.91:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green87.1%
Blue93.3%
CMYK percentages
Cyan72.3%
Magenta6.7%
Yellow0.0%
Key (black)6.7%
Color previews
#42deee text on a black background
contrast 12.91:1
Card sample
#42deee text on a white background
contrast 1.63:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42deee;
Background color
Panel with #42deee background
background-color: #42deee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42deee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 222, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 222, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42deee; background: linear-gradient(135deg, #42deee, #426BEE);