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#a3b11b

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

RGB
163, 177, 27
HSL
66°, 74%, 40%
CMYK
8, 0, 85, 31
Luminance
0.3931

Every format

HEX#a3b11b
RGBrgb(163, 177, 27)
HSLhsl(66, 74%, 40%)
CMYKcmyk(8%, 0%, 85%, 31%)
LABlab(69.0 -22.0 66.4)
LCHlch(69.0 70.0 108.3)
OKLCHoklch(0.725 0.158 115.4)

Copy-ready code

/* CSS */
color: #a3b11b;
background-color: #a3b11b;
/* Tailwind (arbitrary) */
class="text-[#a3b11b] bg-[#a3b11b]"
/* SCSS */
$brand: #a3b11b;
/* SwiftUI */
Color(red: 0.639, green: 0.694, blue: 0.106)
/* Android */
Color.parseColor("#a3b11b")

Accessibility — WCAG contrast

Aa
#a3b11b on white: 2.37:1
AA ✗ fail · AA-large · AAA
Aa
#a3b11b on black: 8.86:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red63.9%
Green69.4%
Blue10.6%

CMYK percentages

Cyan7.9%
Magenta0.0%
Yellow84.7%
Key (black)30.6%

Color previews

#a3b11b text on a black background

contrast 8.86:1

Card sample

#a3b11b text on a white background

contrast 2.37:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #a3b11b;
Background color
Panel with #a3b11b background
background-color: #a3b11b;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #a3b11b;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(163, 177, 27, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(163, 177, 27, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a3b11b;
background: linear-gradient(135deg, #a3b11b, #3FB11B);

Monochromatic scale

Palettes built from #a3b11b

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #a3b11b in the Color Lab