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#a4ab21

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

RGB
164, 171, 33
HSL
63°, 68%, 40%
CMYK
4, 0, 81, 33
Luminance
0.3713

Every format

HEX#a4ab21
RGBrgb(164, 171, 33)
HSLhsl(63, 68%, 40%)
CMYKcmyk(4%, 0%, 81%, 33%)
LABlab(67.4 -18.4 63.6)
LCHlch(67.4 66.2 106.1)
OKLCHoklch(0.712 0.149 112.7)

Copy-ready code

/* CSS */
color: #a4ab21;
background-color: #a4ab21;
/* Tailwind (arbitrary) */
class="text-[#a4ab21] bg-[#a4ab21]"
/* SCSS */
$brand: #a4ab21;
/* SwiftUI */
Color(red: 0.643, green: 0.671, blue: 0.129)
/* Android */
Color.parseColor("#a4ab21")

Accessibility — WCAG contrast

Aa
#a4ab21 on white: 2.49:1
AA ✗ fail · AA-large · AAA
Aa
#a4ab21 on black: 8.43:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red64.3%
Green67.1%
Blue12.9%

CMYK percentages

Cyan4.1%
Magenta0.0%
Yellow80.7%
Key (black)32.9%

Color previews

#a4ab21 text on a black background

contrast 8.43:1

Card sample

#a4ab21 text on a white background

contrast 2.49:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #a4ab21;
Background color
Panel with #a4ab21 background
background-color: #a4ab21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #a4ab21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(164, 171, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(164, 171, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a4ab21;
background: linear-gradient(135deg, #a4ab21, #48AB21);

Monochromatic scale

Palettes built from #a4ab21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #a4ab21 in the Color Lab