#ecf040
a balanced, electric yellow · cool · closest name: yellow
RGB
236, 240, 64
HSL
61°, 85%, 60%
CMYK
2, 0, 73, 6
Luminance
0.8052
Every format
| HEX | #ecf040 |
| RGB | rgb(236, 240, 64) |
| HSL | hsl(61, 85%, 60%) |
| CMYK | cmyk(2%, 0%, 73%, 6%) |
| LAB | lab(91.9 -20.9 78.6) |
| LCH | lch(91.9 81.4 104.9) |
| OKLCH | oklch(0.923 0.185 110.9) |
Copy-ready code
/* CSS */
color: #ecf040;
background-color: #ecf040;
/* Tailwind (arbitrary) */
class="text-[#ecf040] bg-[#ecf040]"
/* SCSS */
$brand: #ecf040;
/* SwiftUI */
Color(red: 0.925, green: 0.941, blue: 0.251)
/* Android */
Color.parseColor("#ecf040")Accessibility — WCAG contrast
Aa
#ecf040 on white: 1.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#ecf040 on black: 17.10:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red92.5%
Green94.1%
Blue25.1%
CMYK percentages
Cyan1.7%
Magenta0.0%
Yellow73.3%
Key (black)5.9%
Color previews
#ecf040 text on a black background
contrast 17.10:1
Card sample
#ecf040 text on a white background
contrast 1.23:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ecf040;
Background color
Panel with #ecf040 background
background-color: #ecf040;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ecf040;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(236, 240, 64, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(236, 240, 64, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ecf040; background: linear-gradient(135deg, #ecf040, #77F040);