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#f3df28

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

RGB
243, 223, 40
HSL
54°, 89%, 56%
CMYK
0, 8, 84, 5
Luminance
0.7198

Every format

HEX#f3df28
RGBrgb(243, 223, 40)
HSLhsl(54, 89%, 56%)
CMYKcmyk(0%, 8%, 84%, 5%)
LABlab(88.0 -10.5 81.9)
LCHlch(88.0 82.6 97.3)
OKLCHoklch(0.893 0.180 102.5)

Copy-ready code

/* CSS */
color: #f3df28;
background-color: #f3df28;
/* Tailwind (arbitrary) */
class="text-[#f3df28] bg-[#f3df28]"
/* SCSS */
$brand: #f3df28;
/* SwiftUI */
Color(red: 0.953, green: 0.875, blue: 0.157)
/* Android */
Color.parseColor("#f3df28")

Accessibility — WCAG contrast

Aa
#f3df28 on white: 1.36:1
AA ✗ fail · AA-large · AAA
Aa
#f3df28 on black: 15.40:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red95.3%
Green87.5%
Blue15.7%

CMYK percentages

Cyan0.0%
Magenta8.2%
Yellow83.5%
Key (black)4.7%

Color previews

#f3df28 text on a black background

contrast 15.40:1

Card sample

#f3df28 text on a white background

contrast 1.36:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #f3df28;
Background color
Panel with #f3df28 background
background-color: #f3df28;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #f3df28;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(243, 223, 40, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(243, 223, 40, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f3df28;
background: linear-gradient(135deg, #f3df28, #80F328);

Monochromatic scale

Palettes built from #f3df28

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #f3df28 in the Color Lab