#42fdba
a balanced, electric green · cool · closest name: aquamarine
RGB
66, 253, 186
HSL
159°, 98%, 63%
CMYK
74, 0, 27, 1
Luminance
0.7495
Every format
| HEX | #42fdba |
| RGB | rgb(66, 253, 186) |
| HSL | hsl(159, 98%, 63%) |
| CMYK | cmyk(74%, 0%, 27%, 1%) |
| LAB | lab(89.4 -61.0 19.1) |
| LCH | lch(89.4 63.9 162.6) |
| OKLCH | oklch(0.887 0.174 163.8) |
Copy-ready code
/* CSS */
color: #42fdba;
background-color: #42fdba;
/* Tailwind (arbitrary) */
class="text-[#42fdba] bg-[#42fdba]"
/* SCSS */
$brand: #42fdba;
/* SwiftUI */
Color(red: 0.259, green: 0.992, blue: 0.729)
/* Android */
Color.parseColor("#42fdba")Accessibility — WCAG contrast
Aa
#42fdba on white: 1.31:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42fdba on black: 15.99:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green99.2%
Blue72.9%
CMYK percentages
Cyan73.9%
Magenta0.0%
Yellow26.5%
Key (black)0.8%
Color previews
#42fdba text on a black background
contrast 15.99:1
Card sample
#42fdba text on a white background
contrast 1.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42fdba;
Background color
Panel with #42fdba background
background-color: #42fdba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42fdba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 253, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 253, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42fdba; background: linear-gradient(135deg, #42fdba, #42C3FD);