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#a3ba21

a dark, vivid yellow · cool · closest name: olivedrab

RGB
163, 186, 33
HSL
69°, 70%, 43%
CMYK
12, 0, 82, 27
Luminance
0.4301

Every format

HEX#a3ba21
RGBrgb(163, 186, 33)
HSLhsl(69, 70%, 43%)
CMYKcmyk(12%, 0%, 82%, 27%)
LABlab(71.6 -26.2 67.2)
LCHlch(71.6 72.1 111.3)
OKLCHoklch(0.746 0.166 118.5)

Copy-ready code

/* CSS */
color: #a3ba21;
background-color: #a3ba21;
/* Tailwind (arbitrary) */
class="text-[#a3ba21] bg-[#a3ba21]"
/* SCSS */
$brand: #a3ba21;
/* SwiftUI */
Color(red: 0.639, green: 0.729, blue: 0.129)
/* Android */
Color.parseColor("#a3ba21")

Accessibility — WCAG contrast

Aa
#a3ba21 on white: 2.19:1
AA ✗ fail · AA-large · AAA
Aa
#a3ba21 on black: 9.60:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red63.9%
Green72.9%
Blue12.9%

CMYK percentages

Cyan12.4%
Magenta0.0%
Yellow82.3%
Key (black)27.1%

Color previews

#a3ba21 text on a black background

contrast 9.60:1

Card sample

#a3ba21 text on a white background

contrast 2.19:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #a3ba21;
Background color
Panel with #a3ba21 background
background-color: #a3ba21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #a3ba21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(163, 186, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(163, 186, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a3ba21;
background: linear-gradient(135deg, #a3ba21, #3DBA21);

Monochromatic scale

Palettes built from #a3ba21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #a3ba21 in the Color Lab