Skip to content

#f4ff4f

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

RGB
244, 255, 79
HSL
64°, 100%, 66%
CMYK
4, 0, 69, 0
Luminance
0.9132

Every format

HEX#f4ff4f
RGBrgb(244, 255, 79)
HSLhsl(64, 100%, 66%)
CMYKcmyk(4%, 0%, 69%, 0%)
LABlab(96.5 -24.1 78.3)
LCHlch(96.5 81.9 107.1)
OKLCHoklch(0.962 0.189 113.0)

Copy-ready code

/* CSS */
color: #f4ff4f;
background-color: #f4ff4f;
/* Tailwind (arbitrary) */
class="text-[#f4ff4f] bg-[#f4ff4f]"
/* SCSS */
$brand: #f4ff4f;
/* SwiftUI */
Color(red: 0.957, green: 1.000, blue: 0.310)
/* Android */
Color.parseColor("#f4ff4f")

Accessibility — WCAG contrast

Aa
#f4ff4f on white: 1.09:1
AA ✗ fail · AA-large · AAA
Aa
#f4ff4f on black: 19.26:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red95.7%
Green100.0%
Blue31.0%

CMYK percentages

Cyan4.3%
Magenta0.0%
Yellow69.0%
Key (black)0.0%

Color previews

#f4ff4f text on a black background

contrast 19.26:1

Card sample

#f4ff4f text on a white background

contrast 1.09:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #f4ff4f;
Background color
Panel with #f4ff4f background
background-color: #f4ff4f;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #f4ff4f;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(244, 255, 79, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(244, 255, 79, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f4ff4f;
background: linear-gradient(135deg, #f4ff4f, #7FFF4F);

Monochromatic scale

Palettes built from #f4ff4f

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #f4ff4f in the Color Lab