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#def042

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

RGB
222, 240, 66
HSL
66°, 85%, 60%
CMYK
8, 0, 73, 6
Luminance
0.7824

Every format

HEX#def042
RGBrgb(222, 240, 66)
HSLhsl(66, 85%, 60%)
CMYKcmyk(8%, 0%, 73%, 6%)
LABlab(90.9 -26.5 76.7)
LCHlch(90.9 81.1 109.1)
OKLCHoklch(0.912 0.188 115.4)

Copy-ready code

/* CSS */
color: #def042;
background-color: #def042;
/* Tailwind (arbitrary) */
class="text-[#def042] bg-[#def042]"
/* SCSS */
$brand: #def042;
/* SwiftUI */
Color(red: 0.871, green: 0.941, blue: 0.259)
/* Android */
Color.parseColor("#def042")

Accessibility — WCAG contrast

Aa
#def042 on white: 1.26:1
AA ✗ fail · AA-large · AAA
Aa
#def042 on black: 16.65:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red87.1%
Green94.1%
Blue25.9%

CMYK percentages

Cyan7.5%
Magenta0.0%
Yellow72.5%
Key (black)5.9%

Color previews

#def042 text on a black background

contrast 16.65:1

Card sample

#def042 text on a white background

contrast 1.26:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #def042;
Background color
Panel with #def042 background
background-color: #def042;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #def042;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(222, 240, 66, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(222, 240, 66, 0.45);
Border & gradient
Gradient panel
border: 3px solid #def042;
background: linear-gradient(135deg, #def042, #6AF042);

Monochromatic scale

Palettes built from #def042

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #def042 in the Color Lab