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#b1da21

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

RGB
177, 218, 33
HSL
73°, 74%, 49%
CMYK
19, 0, 85, 15
Luminance
0.5960

Every format

HEX#b1da21
RGBrgb(177, 218, 33)
HSLhsl(73, 74%, 49%)
CMYKcmyk(19%, 0%, 85%, 15%)
LABlab(81.6 -35.5 76.2)
LCHlch(81.6 84.0 115.0)
OKLCHoklch(0.830 0.195 122.6)

Copy-ready code

/* CSS */
color: #b1da21;
background-color: #b1da21;
/* Tailwind (arbitrary) */
class="text-[#b1da21] bg-[#b1da21]"
/* SCSS */
$brand: #b1da21;
/* SwiftUI */
Color(red: 0.694, green: 0.855, blue: 0.129)
/* Android */
Color.parseColor("#b1da21")

Accessibility — WCAG contrast

Aa
#b1da21 on white: 1.63:1
AA ✗ fail · AA-large · AAA
Aa
#b1da21 on black: 12.92:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red69.4%
Green85.5%
Blue12.9%

CMYK percentages

Cyan18.8%
Magenta0.0%
Yellow84.9%
Key (black)14.5%

Color previews

#b1da21 text on a black background

contrast 12.92:1

Card sample

#b1da21 text on a white background

contrast 1.63:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #b1da21;
Background color
Panel with #b1da21 background
background-color: #b1da21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #b1da21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(177, 218, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(177, 218, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #b1da21;
background: linear-gradient(135deg, #b1da21, #36DA21);

Monochromatic scale

Palettes built from #b1da21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #b1da21 in the Color Lab