#33ff51
a balanced, electric green · cool · closest name: lime
RGB
51, 255, 81
HSL
129°, 100%, 60%
CMYK
80, 0, 68, 0
Luminance
0.7282
Every format
| HEX | #33ff51 |
| RGB | rgb(51, 255, 81) |
| HSL | hsl(129, 100%, 60%) |
| CMYK | cmyk(80%, 0%, 68%, 0%) |
| LAB | lab(88.4 -79.5 66.6) |
| LCH | lch(88.4 103.7 140.1) |
| OKLCH | oklch(0.874 0.263 144.6) |
Copy-ready code
/* CSS */
color: #33ff51;
background-color: #33ff51;
/* Tailwind (arbitrary) */
class="text-[#33ff51] bg-[#33ff51]"
/* SCSS */
$brand: #33ff51;
/* SwiftUI */
Color(red: 0.200, green: 1.000, blue: 0.318)
/* Android */
Color.parseColor("#33ff51")Accessibility — WCAG contrast
Aa
#33ff51 on white: 1.35:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#33ff51 on black: 15.56:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green100.0%
Blue31.8%
CMYK percentages
Cyan80.0%
Magenta0.0%
Yellow68.2%
Key (black)0.0%
Color previews
#33ff51 text on a black background
contrast 15.56:1
Card sample
#33ff51 text on a white background
contrast 1.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #33ff51;
Background color
Panel with #33ff51 background
background-color: #33ff51;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #33ff51;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 255, 81, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 255, 81, 0.45);
Border & gradient
Gradient panel
border: 3px solid #33ff51; background: linear-gradient(135deg, #33ff51, #33FFD9);