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#ceff2b

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

RGB
206, 255, 43
HSL
74°, 100%, 58%
CMYK
19, 0, 83, 0
Luminance
0.8482

Every format

HEX#ceff2b
RGBrgb(206, 255, 43)
HSLhsl(74, 100%, 58%)
CMYKcmyk(19%, 0%, 83%, 0%)
LABlab(93.8 -40.5 85.1)
LCHlch(93.8 94.2 115.4)
OKLCHoklch(0.933 0.220 123.0)

Copy-ready code

/* CSS */
color: #ceff2b;
background-color: #ceff2b;
/* Tailwind (arbitrary) */
class="text-[#ceff2b] bg-[#ceff2b]"
/* SCSS */
$brand: #ceff2b;
/* SwiftUI */
Color(red: 0.808, green: 1.000, blue: 0.169)
/* Android */
Color.parseColor("#ceff2b")

Accessibility — WCAG contrast

Aa
#ceff2b on white: 1.17:1
AA ✗ fail · AA-large · AAA
Aa
#ceff2b on black: 17.96:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red80.8%
Green100.0%
Blue16.9%

CMYK percentages

Cyan19.2%
Magenta0.0%
Yellow83.1%
Key (black)0.0%

Color previews

#ceff2b text on a black background

contrast 17.96:1

Card sample

#ceff2b text on a white background

contrast 1.17:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #ceff2b;
Background color
Panel with #ceff2b background
background-color: #ceff2b;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #ceff2b;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(206, 255, 43, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(206, 255, 43, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ceff2b;
background: linear-gradient(135deg, #ceff2b, #40FF2B);

Monochromatic scale

Palettes built from #ceff2b

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #ceff2b in the Color Lab