#cdff21
a balanced, electric green · cool · closest name: yellow
RGB
205, 255, 33
HSL
74°, 100%, 57%
CMYK
20, 0, 87, 0
Luminance
0.8461
Every format
| HEX | #cdff21 |
| RGB | rgb(205, 255, 33) |
| HSL | hsl(74, 100%, 57%) |
| CMYK | cmyk(20%, 0%, 87%, 0%) |
| LAB | lab(93.7 -41.1 86.9) |
| LCH | lch(93.7 96.2 115.3) |
| OKLCH | oklch(0.932 0.223 123.1) |
Copy-ready code
/* CSS */
color: #cdff21;
background-color: #cdff21;
/* Tailwind (arbitrary) */
class="text-[#cdff21] bg-[#cdff21]"
/* SCSS */
$brand: #cdff21;
/* SwiftUI */
Color(red: 0.804, green: 1.000, blue: 0.129)
/* Android */
Color.parseColor("#cdff21")Accessibility — WCAG contrast
Aa
#cdff21 on white: 1.17:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#cdff21 on black: 17.92:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red80.4%
Green100.0%
Blue12.9%
CMYK percentages
Cyan19.6%
Magenta0.0%
Yellow87.1%
Key (black)0.0%
Color previews
#cdff21 text on a black background
contrast 17.92:1
Card sample
#cdff21 text on a white background
contrast 1.17:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cdff21;
Background color
Panel with #cdff21 background
background-color: #cdff21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cdff21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(205, 255, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(205, 255, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cdff21; background: linear-gradient(135deg, #cdff21, #39FF21);