#cdf309
a balanced, electric yellow · cool · closest name: yellow
RGB
205, 243, 9
HSL
70°, 93%, 49%
CMYK
16, 0, 96, 5
Luminance
0.7710
Every format
| HEX | #cdf309 |
| RGB | rgb(205, 243, 9) |
| HSL | hsl(70, 93%, 49%) |
| CMYK | cmyk(16%, 0%, 96%, 5%) |
| LAB | lab(90.4 -36.1 87.2) |
| LCH | lch(90.4 94.4 112.5) |
| OKLCH | oklch(0.905 0.215 120.5) |
Copy-ready code
/* CSS */
color: #cdf309;
background-color: #cdf309;
/* Tailwind (arbitrary) */
class="text-[#cdf309] bg-[#cdf309]"
/* SCSS */
$brand: #cdf309;
/* SwiftUI */
Color(red: 0.804, green: 0.953, blue: 0.035)
/* Android */
Color.parseColor("#cdf309")Accessibility — WCAG contrast
Aa
#cdf309 on white: 1.28:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#cdf309 on black: 16.42:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red80.4%
Green95.3%
Blue3.5%
CMYK percentages
Cyan15.6%
Magenta0.0%
Yellow96.3%
Key (black)4.7%
Color previews
#cdf309 text on a black background
contrast 16.42:1
Card sample
#cdf309 text on a white background
contrast 1.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cdf309;
Background color
Panel with #cdf309 background
background-color: #cdf309;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cdf309;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(205, 243, 9, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(205, 243, 9, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cdf309; background: linear-gradient(135deg, #cdf309, #31F309);