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#a3ac21

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

RGB
163, 172, 33
HSL
64°, 68%, 40%
CMYK
5, 0, 81, 33
Luminance
0.3740

Every format

HEX#a3ac21
RGBrgb(163, 172, 33)
HSLhsl(64, 68%, 40%)
CMYKcmyk(5%, 0%, 81%, 33%)
LABlab(67.6 -19.3 63.7)
LCHlch(67.6 66.6 106.9)
OKLCHoklch(0.714 0.151 113.5)

Copy-ready code

/* CSS */
color: #a3ac21;
background-color: #a3ac21;
/* Tailwind (arbitrary) */
class="text-[#a3ac21] bg-[#a3ac21]"
/* SCSS */
$brand: #a3ac21;
/* SwiftUI */
Color(red: 0.639, green: 0.675, blue: 0.129)
/* Android */
Color.parseColor("#a3ac21")

Accessibility — WCAG contrast

Aa
#a3ac21 on white: 2.48:1
AA ✗ fail · AA-large · AAA
Aa
#a3ac21 on black: 8.48:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red63.9%
Green67.5%
Blue12.9%

CMYK percentages

Cyan5.2%
Magenta0.0%
Yellow80.8%
Key (black)32.5%

Color previews

#a3ac21 text on a black background

contrast 8.48:1

Card sample

#a3ac21 text on a white background

contrast 2.48:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #a3ac21;
Background color
Panel with #a3ac21 background
background-color: #a3ac21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #a3ac21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(163, 172, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(163, 172, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a3ac21;
background: linear-gradient(135deg, #a3ac21, #46AC21);

Monochromatic scale

Palettes built from #a3ac21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #a3ac21 in the Color Lab