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#c9ef1c

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

RGB
201, 239, 28
HSL
71°, 87%, 52%
CMYK
16, 0, 88, 6
Luminance
0.7423

Every format

HEX#c9ef1c
RGBrgb(201, 239, 28)
HSLhsl(71, 87%, 52%)
CMYKcmyk(16%, 0%, 88%, 6%)
LABlab(89.0 -35.7 83.8)
LCHlch(89.0 91.1 113.0)
OKLCHoklch(0.893 0.209 120.8)

Copy-ready code

/* CSS */
color: #c9ef1c;
background-color: #c9ef1c;
/* Tailwind (arbitrary) */
class="text-[#c9ef1c] bg-[#c9ef1c]"
/* SCSS */
$brand: #c9ef1c;
/* SwiftUI */
Color(red: 0.788, green: 0.937, blue: 0.110)
/* Android */
Color.parseColor("#c9ef1c")

Accessibility — WCAG contrast

Aa
#c9ef1c on white: 1.33:1
AA ✗ fail · AA-large · AAA
Aa
#c9ef1c on black: 15.85:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red78.8%
Green93.7%
Blue11.0%

CMYK percentages

Cyan15.9%
Magenta0.0%
Yellow88.3%
Key (black)6.3%

Color previews

#c9ef1c text on a black background

contrast 15.85:1

Card sample

#c9ef1c text on a white background

contrast 1.33:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #c9ef1c;
Background color
Panel with #c9ef1c background
background-color: #c9ef1c;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #c9ef1c;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(201, 239, 28, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(201, 239, 28, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c9ef1c;
background: linear-gradient(135deg, #c9ef1c, #3DEF1C);

Monochromatic scale

Palettes built from #c9ef1c

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #c9ef1c in the Color Lab