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#f0df28

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

RGB
240, 223, 40
HSL
55°, 87%, 55%
CMYK
0, 7, 83, 6
Luminance
0.7145

Every format

HEX#f0df28
RGBrgb(240, 223, 40)
HSLhsl(55, 87%, 55%)
CMYKcmyk(0%, 7%, 83%, 6%)
LABlab(87.7 -11.7 81.6)
LCHlch(87.7 82.5 98.2)
OKLCHoklch(0.890 0.180 103.6)

Copy-ready code

/* CSS */
color: #f0df28;
background-color: #f0df28;
/* Tailwind (arbitrary) */
class="text-[#f0df28] bg-[#f0df28]"
/* SCSS */
$brand: #f0df28;
/* SwiftUI */
Color(red: 0.941, green: 0.875, blue: 0.157)
/* Android */
Color.parseColor("#f0df28")

Accessibility — WCAG contrast

Aa
#f0df28 on white: 1.37:1
AA ✗ fail · AA-large · AAA
Aa
#f0df28 on black: 15.29:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red94.1%
Green87.5%
Blue15.7%

CMYK percentages

Cyan0.0%
Magenta7.1%
Yellow83.3%
Key (black)5.9%

Color previews

#f0df28 text on a black background

contrast 15.29:1

Card sample

#f0df28 text on a white background

contrast 1.37:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #f0df28;
Background color
Panel with #f0df28 background
background-color: #f0df28;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #f0df28;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(240, 223, 40, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(240, 223, 40, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f0df28;
background: linear-gradient(135deg, #f0df28, #7CF028);

Monochromatic scale

Palettes built from #f0df28

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #f0df28 in the Color Lab