#42df6f
a balanced, vivid green · cool · closest name: forestgreen
RGB
66, 223, 111
HSL
137°, 71%, 57%
CMYK
70, 0, 50, 13
Luminance
0.5508
Every format
| HEX | #42df6f |
| RGB | rgb(66, 223, 111) |
| HSL | hsl(137, 71%, 57%) |
| CMYK | cmyk(70%, 0%, 50%, 13%) |
| LAB | lab(79.1 -63.8 43.1) |
| LCH | lch(79.1 77.0 146.0) |
| OKLCH | oklch(0.798 0.201 148.7) |
Copy-ready code
/* CSS */
color: #42df6f;
background-color: #42df6f;
/* Tailwind (arbitrary) */
class="text-[#42df6f] bg-[#42df6f]"
/* SCSS */
$brand: #42df6f;
/* SwiftUI */
Color(red: 0.259, green: 0.875, blue: 0.435)
/* Android */
Color.parseColor("#42df6f")Accessibility — WCAG contrast
Aa
#42df6f on white: 1.75:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42df6f on black: 12.02:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green87.5%
Blue43.5%
CMYK percentages
Cyan70.4%
Magenta0.0%
Yellow50.2%
Key (black)12.5%
Color previews
#42df6f text on a black background
contrast 12.02:1
Card sample
#42df6f text on a white background
contrast 1.75:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42df6f;
Background color
Panel with #42df6f background
background-color: #42df6f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42df6f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 223, 111, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 223, 111, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42df6f; background: linear-gradient(135deg, #42df6f, #42DFD8);