#eff034
a balanced, electric yellow · cool · closest name: yellow
RGB
239, 240, 52
HSL
60°, 86%, 57%
CMYK
0, 0, 78, 6
Luminance
0.8092
Every format
| HEX | #eff034 |
| RGB | rgb(239, 240, 52) |
| HSL | hsl(60, 86%, 57%) |
| CMYK | cmyk(0%, 0%, 78%, 6%) |
| LAB | lab(92.1 -20.1 82.3) |
| LCH | lch(92.1 84.8 103.7) |
| OKLCH | oklch(0.925 0.190 109.9) |
Copy-ready code
/* CSS */
color: #eff034;
background-color: #eff034;
/* Tailwind (arbitrary) */
class="text-[#eff034] bg-[#eff034]"
/* SCSS */
$brand: #eff034;
/* SwiftUI */
Color(red: 0.937, green: 0.941, blue: 0.204)
/* Android */
Color.parseColor("#eff034")Accessibility — WCAG contrast
Aa
#eff034 on white: 1.22:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#eff034 on black: 17.18:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green94.1%
Blue20.4%
CMYK percentages
Cyan0.4%
Magenta0.0%
Yellow78.3%
Key (black)5.9%
Color previews
#eff034 text on a black background
contrast 17.18:1
Card sample
#eff034 text on a white background
contrast 1.22:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #eff034;
Background color
Panel with #eff034 background
background-color: #eff034;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #eff034;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 240, 52, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 240, 52, 0.45);
Border & gradient
Gradient panel
border: 3px solid #eff034; background: linear-gradient(135deg, #eff034, #72F034);