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#003b21

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

RGB
0, 59, 33
HSL
154°, 100%, 12%
CMYK
100, 0, 44, 77
Luminance
0.0324

Every format

HEX#003b21
RGBrgb(0, 59, 33)
HSLhsl(154, 100%, 12%)
CMYKcmyk(100%, 0%, 44%, 77%)
LABlab(21.0 -25.1 11.3)
LCHlch(21.0 27.6 155.9)
OKLCHoklch(0.310 0.073 157.4)

Copy-ready code

/* CSS */
color: #003b21;
background-color: #003b21;
/* Tailwind (arbitrary) */
class="text-[#003b21] bg-[#003b21]"
/* SCSS */
$brand: #003b21;
/* SwiftUI */
Color(red: 0.000, green: 0.231, blue: 0.129)
/* Android */
Color.parseColor("#003b21")

Accessibility — WCAG contrast

Aa
#003b21 on white: 12.75:1
AA ✓ pass · AA-large · AAA
Aa
#003b21 on black: 1.65:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red0.0%
Green23.1%
Blue12.9%

CMYK percentages

Cyan100.0%
Magenta0.0%
Yellow44.1%
Key (black)76.9%

Color previews

#003b21 text on a black background

contrast 1.65:1

Card sample

#003b21 text on a white background

contrast 12.75:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #003b21;
Background color
Panel with #003b21 background
background-color: #003b21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #003b21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(0, 59, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 59, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #003b21;
background: linear-gradient(135deg, #003b21, #002E3B);

Monochromatic scale

Palettes built from #003b21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #003b21 in the Color Lab