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#003921

a deep, electric green · cool · closest name: darkslategray

RGB
0, 57, 33
HSL
155°, 100%, 11%
CMYK
100, 0, 42, 78
Luminance
0.0304

Every format

HEX#003921
RGBrgb(0, 57, 33)
HSLhsl(155, 100%, 11%)
CMYKcmyk(100%, 0%, 42%, 78%)
LABlab(20.2 -24.3 10.2)
LCHlch(20.2 26.3 157.2)
OKLCHoklch(0.304 0.070 158.6)

Copy-ready code

/* CSS */
color: #003921;
background-color: #003921;
/* Tailwind (arbitrary) */
class="text-[#003921] bg-[#003921]"
/* SCSS */
$brand: #003921;
/* SwiftUI */
Color(red: 0.000, green: 0.224, blue: 0.129)
/* Android */
Color.parseColor("#003921")

Accessibility — WCAG contrast

Aa
#003921 on white: 13.07:1
AA ✓ pass · AA-large · AAA
Aa
#003921 on black: 1.61:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red0.0%
Green22.4%
Blue12.9%

CMYK percentages

Cyan100.0%
Magenta0.0%
Yellow42.1%
Key (black)77.6%

Color previews

#003921 text on a black background

contrast 1.61:1

Card sample

#003921 text on a white background

contrast 13.07:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #003921;
Background color
Panel with #003921 background
background-color: #003921;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #003921;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(0, 57, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 57, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #003921;
background: linear-gradient(135deg, #003921, #002B39);

Monochromatic scale

Palettes built from #003921

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #003921 in the Color Lab