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#f0df11

a balanced, electric yellow · cool · closest name: gold

RGB
240, 223, 17
HSL
55°, 88%, 50%
CMYK
0, 7, 93, 6
Luminance
0.7134

Every format

HEX#f0df11
RGBrgb(240, 223, 17)
HSLhsl(55, 88%, 50%)
CMYKcmyk(0%, 7%, 93%, 6%)
LABlab(87.7 -12.2 85.5)
LCHlch(87.7 86.4 98.1)
OKLCHoklch(0.889 0.186 103.9)

Copy-ready code

/* CSS */
color: #f0df11;
background-color: #f0df11;
/* Tailwind (arbitrary) */
class="text-[#f0df11] bg-[#f0df11]"
/* SCSS */
$brand: #f0df11;
/* SwiftUI */
Color(red: 0.941, green: 0.875, blue: 0.067)
/* Android */
Color.parseColor("#f0df11")

Accessibility — WCAG contrast

Aa
#f0df11 on white: 1.38:1
AA ✗ fail · AA-large · AAA
Aa
#f0df11 on black: 15.27:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red94.1%
Green87.5%
Blue6.7%

CMYK percentages

Cyan0.0%
Magenta7.1%
Yellow92.9%
Key (black)5.9%

Color previews

#f0df11 text on a black background

contrast 15.27:1

Card sample

#f0df11 text on a white background

contrast 1.38:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #f0df11;
Background color
Panel with #f0df11 background
background-color: #f0df11;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #f0df11;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(240, 223, 17, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(240, 223, 17, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f0df11;
background: linear-gradient(135deg, #f0df11, #6CF011);

Monochromatic scale

Palettes built from #f0df11

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #f0df11 in the Color Lab