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#f4ff22

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

RGB
244, 255, 34
HSL
63°, 100%, 57%
CMYK
4, 0, 87, 0
Luminance
0.9087

Every format

HEX#f4ff22
RGBrgb(244, 255, 34)
HSLhsl(63, 100%, 57%)
CMYKcmyk(4%, 0%, 87%, 0%)
LABlab(96.4 -25.6 90.0)
LCHlch(96.4 93.6 105.9)
OKLCHoklch(0.960 0.209 112.9)

Copy-ready code

/* CSS */
color: #f4ff22;
background-color: #f4ff22;
/* Tailwind (arbitrary) */
class="text-[#f4ff22] bg-[#f4ff22]"
/* SCSS */
$brand: #f4ff22;
/* SwiftUI */
Color(red: 0.957, green: 1.000, blue: 0.133)
/* Android */
Color.parseColor("#f4ff22")

Accessibility — WCAG contrast

Aa
#f4ff22 on white: 1.10:1
AA ✗ fail · AA-large · AAA
Aa
#f4ff22 on black: 19.17:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red95.7%
Green100.0%
Blue13.3%

CMYK percentages

Cyan4.3%
Magenta0.0%
Yellow86.7%
Key (black)0.0%

Color previews

#f4ff22 text on a black background

contrast 19.17:1

Card sample

#f4ff22 text on a white background

contrast 1.10:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #f4ff22;
Background color
Panel with #f4ff22 background
background-color: #f4ff22;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #f4ff22;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(244, 255, 34, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(244, 255, 34, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f4ff22;
background: linear-gradient(135deg, #f4ff22, #61FF22);

Monochromatic scale

Palettes built from #f4ff22

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #f4ff22 in the Color Lab