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#acef39

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

RGB
172, 239, 57
HSL
82°, 85%, 58%
CMYK
28, 0, 76, 6
Luminance
0.7080

Every format

HEX#acef39
RGBrgb(172, 239, 57)
HSLhsl(82, 85%, 58%)
CMYKcmyk(28%, 0%, 76%, 6%)
LABlab(87.4 -45.8 75.0)
LCHlch(87.4 87.9 121.4)
OKLCHoklch(0.876 0.211 128.4)

Copy-ready code

/* CSS */
color: #acef39;
background-color: #acef39;
/* Tailwind (arbitrary) */
class="text-[#acef39] bg-[#acef39]"
/* SCSS */
$brand: #acef39;
/* SwiftUI */
Color(red: 0.675, green: 0.937, blue: 0.224)
/* Android */
Color.parseColor("#acef39")

Accessibility — WCAG contrast

Aa
#acef39 on white: 1.39:1
AA ✗ fail · AA-large · AAA
Aa
#acef39 on black: 15.16:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red67.5%
Green93.7%
Blue22.4%

CMYK percentages

Cyan28.0%
Magenta0.0%
Yellow76.2%
Key (black)6.3%

Color previews

#acef39 text on a black background

contrast 15.16:1

Card sample

#acef39 text on a white background

contrast 1.39:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #acef39;
Background color
Panel with #acef39 background
background-color: #acef39;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #acef39;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(172, 239, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 239, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #acef39;
background: linear-gradient(135deg, #acef39, #39EF3F);

Monochromatic scale

Palettes built from #acef39

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #acef39 in the Color Lab