#1B571A#1B571A

#1B571A is a dark, moderate green. Relative luminance 0.071; OKLCH L 40.4% C 0.111 H 142.9°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#1B571A
RGB	rgb(27, 87, 26)
HSL	hsl(119, 54%, 22%)
HSV	hsv(119, 70%, 34%)
CMYK	cmyk(69%, 0%, 70.1%, 65.9%)
CIE-LAB	lab(32.09, -32.68, 28.94)
CIE-LCH	lch(32.09, 43.66, 138.47°)
OKLab	oklab(40.37% -0.0888 0.0671)
OKLCH	oklch(40.37% 0.111 142.9)
XYZ	xyz(4.0464, 7.1236, 2.1388)
Luminance	0.0712 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B571A #561A57

analogous

#3A571A #1B571A #1A5737

triadic

#1B571A #1A1B57 #571A1B

tetradic

#1B571A #1A3A57 #561A57 #57371A

square

#1B571A #1A3A57 #561A57 #57371A

split-complementary

#1B571A #371A57 #571A3A

monochromatic

#071807 #0C280C #1B571A #2A8628 #38B536

Accessibility & contrast

On white

8.66

#1B571A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1B571A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B571A

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B571A	#FFFFFF	#000000	##FFFFFF
##1B571A	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F12

Deuteranopia (green-blind)

#524A1F

Tritanopia (blue-blind)

#0F544A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1b571a;
/* rgb */ color: rgb(27, 87, 26);
/* oklch */ color: oklch(40.4% 0.111 142.9);

Tailwind

colors: {
  custom: {
    50: '#60875a',
    500: '#1b571a',
    950: '#000000',
  },
}

SCSS

$custom: #1b571a;
$custom-light: #60875a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b571a",
  "rgb": {
    "r": 27,
    "g": 87,
    "b": 26
  },
  "hsl": {
    "h": 119.016,
    "s": 53.982,
    "l": 22.157
  },
  "oklch": {
    "l": 0.40369,
    "c": 0.11131,
    "h": 142.9
  },
  "luminance": 0.07124
}

Semantic roles & 50–950 ramp

primary

#1B571A

secondary

#8C408D

accent

#4ADDDB

background

#F6F8F5

surface

#EBEFE9

border

#C6CAC5

text

#050B04

muted

#7A7C79

Preview Lab

Preview with #1B571A

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

Preview Lab → · Contrast checker → · Palette generator →