#ecfd39
a balanced, electric yellow · cool · closest name: yellow
RGB
236, 253, 57
HSL
65°, 98%, 61%
CMYK
7, 0, 78, 1
Luminance
0.8838
Every format
| HEX | #ecfd39 |
| RGB | rgb(236, 253, 57) |
| HSL | hsl(65, 98%, 61%) |
| CMYK | cmyk(7%, 0%, 78%, 1%) |
| LAB | lab(95.3 -27.3 83.8) |
| LCH | lch(95.3 88.1 108.1) |
| OKLCH | oklch(0.950 0.201 114.8) |
Copy-ready code
/* CSS */
color: #ecfd39;
background-color: #ecfd39;
/* Tailwind (arbitrary) */
class="text-[#ecfd39] bg-[#ecfd39]"
/* SCSS */
$brand: #ecfd39;
/* SwiftUI */
Color(red: 0.925, green: 0.992, blue: 0.224)
/* Android */
Color.parseColor("#ecfd39")Accessibility — WCAG contrast
Aa
#ecfd39 on white: 1.12:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#ecfd39 on black: 18.68:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red92.5%
Green99.2%
Blue22.4%
CMYK percentages
Cyan6.7%
Magenta0.0%
Yellow77.5%
Key (black)0.8%
Color previews
#ecfd39 text on a black background
contrast 18.68:1
Card sample
#ecfd39 text on a white background
contrast 1.12:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ecfd39;
Background color
Panel with #ecfd39 background
background-color: #ecfd39;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ecfd39;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(236, 253, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(236, 253, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ecfd39; background: linear-gradient(135deg, #ecfd39, #69FD39);