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#ecff02

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

RGB
236, 255, 2
HSL
65°, 100%, 50%
CMYK
8, 0, 99, 0
Luminance
0.8936

Every format

HEX#ecff02
RGBrgb(236, 255, 2)
HSLhsl(65, 100%, 50%)
CMYKcmyk(8%, 0%, 99%, 0%)
LABlab(95.7 -29.3 92.7)
LCHlch(95.7 97.2 107.5)
OKLCHoklch(0.953 0.216 115.1)

Copy-ready code

/* CSS */
color: #ecff02;
background-color: #ecff02;
/* Tailwind (arbitrary) */
class="text-[#ecff02] bg-[#ecff02]"
/* SCSS */
$brand: #ecff02;
/* SwiftUI */
Color(red: 0.925, green: 1.000, blue: 0.008)
/* Android */
Color.parseColor("#ecff02")

Accessibility — WCAG contrast

Aa
#ecff02 on white: 1.11:1
AA ✗ fail · AA-large · AAA
Aa
#ecff02 on black: 18.87:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red92.5%
Green100.0%
Blue0.8%

CMYK percentages

Cyan7.5%
Magenta0.0%
Yellow99.2%
Key (black)0.0%

Color previews

#ecff02 text on a black background

contrast 18.87:1

Card sample

#ecff02 text on a white background

contrast 1.11:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #ecff02;
Background color
Panel with #ecff02 background
background-color: #ecff02;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #ecff02;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(236, 255, 2, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(236, 255, 2, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ecff02;
background: linear-gradient(135deg, #ecff02, #43FF02);

Monochromatic scale

Palettes built from #ecff02

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #ecff02 in the Color Lab