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#fdff01

a balanced, electric yellow · cool · “yellow”

RGB
253, 255, 1
HSL
61°, 100%, 50%
CMYK
1, 0, 100, 0
Luminance
0.9240

Every format

HEX#fdff01
RGBrgb(253, 255, 1)
HSLhsl(61, 100%, 50%)
CMYKcmyk(1%, 0%, 100%, 0%)
LABlab(97.0 -22.4 94.2)
LCHlch(97.0 96.8 103.4)
OKLCHoklch(0.966 0.211 110.4)

Copy-ready code

/* CSS */
color: #fdff01;
background-color: #fdff01;
/* Tailwind (arbitrary) */
class="text-[#fdff01] bg-[#fdff01]"
/* SCSS */
$brand: #fdff01;
/* SwiftUI */
Color(red: 0.992, green: 1.000, blue: 0.004)
/* Android */
Color.parseColor("#fdff01")

Accessibility — WCAG contrast

Aa
#fdff01 on white: 1.08:1
AA ✗ fail · AA-large · AAA
Aa
#fdff01 on black: 19.48:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red99.2%
Green100.0%
Blue0.4%

CMYK percentages

Cyan0.8%
Magenta0.0%
Yellow99.6%
Key (black)0.0%

Color previews

#fdff01 text on a black background

contrast 19.48:1

Card sample

#fdff01 text on a white background

contrast 1.08:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #fdff01;
Background color
Panel with #fdff01 background
background-color: #fdff01;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #fdff01;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(253, 255, 1, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(253, 255, 1, 0.45);
Border & gradient
Gradient panel
border: 3px solid #fdff01;
background: linear-gradient(135deg, #fdff01, #54FF01);

Monochromatic scale

Palettes built from #fdff01

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #fdff01 in the Color Lab