#1D581F#1D581F

#1D581F is a dark, moderate green. Relative luminance 0.073; OKLCH L 40.8% C 0.107 H 143.8°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#1D581F
RGB	rgb(29, 88, 31)
HSL	hsl(122, 50%, 23%)
HSV	hsv(122, 67%, 35%)
CMYK	cmyk(67%, 0%, 64.8%, 65.5%)
CIE-LAB	lab(32.57, -31.96, 26.97)
CIE-LCH	lch(32.57, 41.82, 139.84°)
OKLab	oklab(40.8% -0.0867 0.0634)
OKLCH	oklch(40.8% 0.107 143.8)
XYZ	xyz(4.2435, 7.3392, 2.4890)
Luminance	0.0734 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D581F #581D56

analogous

#38581D #1D581F #1D583C

triadic

#1D581F #1F1D58 #581F1D

tetradic

#1D581F #1D3858 #581D56 #583C1D

square

#1D581F #1D3858 #581D56 #583C1D

split-complementary

#1D581F #3C1D58 #581D38

monochromatic

#081708 #0E2A0F #1D581F #2C862F #3BB43F

Accessibility & contrast

On white

8.51

#1D581F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1D581F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D581F

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D581F	#FFFFFF	#000000	##FFFFFF
##1D581F	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5019

Deuteranopia (green-blind)

#524B24

Tritanopia (blue-blind)

#11554C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d581f;
/* rgb */ color: rgb(29, 88, 31);
/* oklch */ color: oklch(40.8% 0.107 143.8);

Tailwind

colors: {
  custom: {
    50: '#61885d',
    500: '#1d581f',
    950: '#000000',
  },
}

SCSS

$custom: #1d581f;
$custom-light: #61885d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d581f",
  "rgb": {
    "r": 29,
    "g": 88,
    "b": 31
  },
  "hsl": {
    "h": 122.034,
    "s": 50.427,
    "l": 22.941
  },
  "oklch": {
    "l": 0.40801,
    "c": 0.10743,
    "h": 143.8
  },
  "luminance": 0.0734
}

Semantic roles & 50–950 ramp

primary

#1D581F

secondary

#8D448B

accent

#4ED5DA

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#050B04

muted

#7A7C79

Preview Lab

Preview with #1D581F

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

Preview Lab → · Contrast checker → · Palette generator →