#66eebb
a light, electric green · cool · closest name: aquamarine
RGB
102, 238, 187
HSL
158°, 80%, 67%
CMYK
57, 0, 21, 7
Luminance
0.6756
Every format
| HEX | #66eebb |
| RGB | rgb(102, 238, 187) |
| HSL | hsl(158, 80%, 67%) |
| CMYK | cmyk(57%, 0%, 21%, 7%) |
| LAB | lab(85.8 -49.0 13.7) |
| LCH | lch(85.8 50.8 164.4) |
| OKLCH | oklch(0.860 0.140 165.6) |
Copy-ready code
/* CSS */
color: #66eebb;
background-color: #66eebb;
/* Tailwind (arbitrary) */
class="text-[#66eebb] bg-[#66eebb]"
/* SCSS */
$brand: #66eebb;
/* SwiftUI */
Color(red: 0.400, green: 0.933, blue: 0.733)
/* Android */
Color.parseColor("#66eebb")Accessibility — WCAG contrast
Aa
#66eebb on white: 1.45:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66eebb on black: 14.51:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green93.3%
Blue73.3%
CMYK percentages
Cyan57.1%
Magenta0.0%
Yellow21.4%
Key (black)6.7%
Color previews
#66eebb text on a black background
contrast 14.51:1
Card sample
#66eebb text on a white background
contrast 1.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66eebb;
Background color
Panel with #66eebb background
background-color: #66eebb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66eebb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 238, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 238, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66eebb; background: linear-gradient(135deg, #66eebb, #66C6EE);