#1B591D#1B591D

#1B591D is a dark, moderate green. Relative luminance 0.075; OKLCH L 41.0% C 0.112 H 143.7°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#1B591D
RGB	rgb(27, 89, 29)
HSL	hsl(122, 53%, 23%)
HSV	hsv(122, 70%, 35%)
CMYK	cmyk(69.7%, 0%, 67.4%, 65.1%)
CIE-LAB	lab(32.85, -33.13, 28.30)
CIE-LCH	lch(32.85, 43.57, 139.49°)
OKLab	oklab(41.01% -0.0899 0.0661)
OKLCH	oklch(41.01% 0.112 143.7)
XYZ	xyz(4.2459, 7.4660, 2.3795)
Luminance	0.0747 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B591D #591B57

analogous

#38591B #1B591D #1B593C

triadic

#1B591D #1D1B59 #591D1B

tetradic

#1B591D #1B3859 #591B57 #593C1B

square

#1B591D #1B3859 #591B57 #593C1B

split-complementary

#1B591D #3C1B59 #591B38

monochromatic

#071708 #0D2A0E #1B591D #29882C #37B73C

Accessibility & contrast

On white

8.42

#1B591D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1B591D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B591D

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B591D	#FFFFFF	#000000	##FFFFFF
##1B591D	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5016

Deuteranopia (green-blind)

#534B22

Tritanopia (blue-blind)

#0D564C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b591d;
/* rgb */ color: rgb(27, 89, 29);
/* oklch */ color: oklch(41.0% 0.112 143.7);

Tailwind

colors: {
  custom: {
    50: '#61895c',
    500: '#1b591d',
    950: '#000000',
  },
}

SCSS

$custom: #1b591d;
$custom-light: #61895c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b591d",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 29
  },
  "hsl": {
    "h": 121.935,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.41006,
    "c": 0.11154,
    "h": 143.7
  },
  "luminance": 0.07466
}

Semantic roles & 50–950 ramp

primary

#1B591D

secondary

#8F418C

accent

#4BD8DD

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#050B04

muted

#7A7C79

Preview Lab

Preview with #1B591D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →