#1D581B#1D581B

#1D581B is a dark, moderate green. Relative luminance 0.073; OKLCH L 40.8% C 0.111 H 142.7°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#1D581B
RGB	rgb(29, 88, 27)
HSL	hsl(118, 53%, 23%)
HSV	hsv(118, 69%, 35%)
CMYK	cmyk(67%, 0%, 69.3%, 65.5%)
CIE-LAB	lab(32.52, -32.47, 28.95)
CIE-LCH	lch(32.52, 43.50, 138.27°)
OKLab	oklab(40.75% -0.0883 0.0672)
OKLCH	oklch(40.75% 0.111 142.7)
XYZ	xyz(4.1940, 7.3194, 2.2285)
Luminance	0.0732 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D581B #561B58

analogous

#3B581B #1D581B #1B5838

triadic

#1D581B #1B1D58 #581B1D

tetradic

#1D581B #1B3B58 #561B58 #58381B

square

#1D581B #1B3B58 #561B58 #58381B

split-complementary

#1D581B #381B58 #581B3B

monochromatic

#081707 #0E290D #1D581B #2C8729 #3CB638

Accessibility & contrast

On white

8.52

#1D581B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1D581B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D581B

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D581B	#FFFFFF	#000000	##FFFFFF
##1D581B	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5014

Deuteranopia (green-blind)

#534B20

Tritanopia (blue-blind)

#12554B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d581b;
/* rgb */ color: rgb(29, 88, 27);
/* oklch */ color: oklch(40.8% 0.111 142.7);

Tailwind

colors: {
  custom: {
    50: '#61885a',
    500: '#1d581b',
    950: '#000000',
  },
}

SCSS

$custom: #1d581b;
$custom-light: #61885a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d581b",
  "rgb": {
    "r": 29,
    "g": 88,
    "b": 27
  },
  "hsl": {
    "h": 118.033,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.40751,
    "c": 0.11097,
    "h": 142.7
  },
  "luminance": 0.0732
}

Semantic roles & 50–950 ramp

primary

#1D581B

secondary

#8B418E

accent

#4BDCD8

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#050B04

muted

#7A7C79

Preview Lab

Preview with #1D581B

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

Preview Lab → · Contrast checker → · Palette generator →