#ecfd37
a balanced, electric yellow · cool · closest name: yellow
RGB
236, 253, 55
HSL
65°, 98%, 60%
CMYK
7, 0, 78, 1
Luminance
0.8836
Every format
| HEX | #ecfd37 |
| RGB | rgb(236, 253, 55) |
| HSL | hsl(65, 98%, 60%) |
| CMYK | cmyk(7%, 0%, 78%, 1%) |
| LAB | lab(95.3 -27.4 84.3) |
| LCH | lch(95.3 88.6 108.0) |
| OKLCH | oklch(0.950 0.202 114.7) |
Copy-ready code
/* CSS */
color: #ecfd37;
background-color: #ecfd37;
/* Tailwind (arbitrary) */
class="text-[#ecfd37] bg-[#ecfd37]"
/* SCSS */
$brand: #ecfd37;
/* SwiftUI */
Color(red: 0.925, green: 0.992, blue: 0.216)
/* Android */
Color.parseColor("#ecfd37")Accessibility — WCAG contrast
Aa
#ecfd37 on white: 1.12:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#ecfd37 on black: 18.67:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red92.5%
Green99.2%
Blue21.6%
CMYK percentages
Cyan6.7%
Magenta0.0%
Yellow78.3%
Key (black)0.8%
Color previews
#ecfd37 text on a black background
contrast 18.67:1
Card sample
#ecfd37 text on a white background
contrast 1.12:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ecfd37;
Background color
Panel with #ecfd37 background
background-color: #ecfd37;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ecfd37;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(236, 253, 55, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(236, 253, 55, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ecfd37; background: linear-gradient(135deg, #ecfd37, #68FD37);