#42df4f
a balanced, vivid green · cool · closest name: lime
RGB
66, 223, 79
HSL
125°, 71%, 57%
CMYK
70, 0, 65, 13
Luminance
0.5450
Every format
| HEX | #42df4f |
| RGB | rgb(66, 223, 79) |
| HSL | hsl(125, 71%, 57%) |
| CMYK | cmyk(70%, 0%, 65%, 13%) |
| LAB | lab(78.8 -67.8 57.1) |
| LCH | lch(78.8 88.6 139.9) |
| OKLCH | oklch(0.794 0.226 144.2) |
Copy-ready code
/* CSS */
color: #42df4f;
background-color: #42df4f;
/* Tailwind (arbitrary) */
class="text-[#42df4f] bg-[#42df4f]"
/* SCSS */
$brand: #42df4f;
/* SwiftUI */
Color(red: 0.259, green: 0.875, blue: 0.310)
/* Android */
Color.parseColor("#42df4f")Accessibility — WCAG contrast
Aa
#42df4f on white: 1.76:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#42df4f on black: 11.90:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green87.5%
Blue31.0%
CMYK percentages
Cyan70.4%
Magenta0.0%
Yellow64.6%
Key (black)12.5%
Color previews
#42df4f text on a black background
contrast 11.90:1
Card sample
#42df4f text on a white background
contrast 1.76:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #42df4f;
Background color
Panel with #42df4f background
background-color: #42df4f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #42df4f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 223, 79, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 223, 79, 0.45);
Border & gradient
Gradient panel
border: 3px solid #42df4f; background: linear-gradient(135deg, #42df4f, #42DFB8);