#1B591E#1B591E

#1B591E is a dark, moderate green. Relative luminance 0.075; OKLCH L 41.0% C 0.111 H 143.9°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#1B591E
RGB	rgb(27, 89, 30)
HSL	hsl(123, 53%, 23%)
HSV	hsv(123, 70%, 35%)
CMYK	cmyk(69.7%, 0%, 66.3%, 65.1%)
CIE-LAB	lab(32.86, -33.00, 27.80)
CIE-LCH	lch(32.86, 43.15, 139.88°)
OKLab	oklab(41.02% -0.0895 0.0651)
OKLCH	oklch(41.02% 0.111 143.9)
XYZ	xyz(4.2585, 7.4711, 2.4457)
Luminance	0.0747 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B591E #591B56

analogous

#37591B #1B591E #1B593D

triadic

#1B591E #1E1B59 #591E1B

tetradic

#1B591E #1B3759 #591B56 #593D1B

square

#1B591E #1B3759 #591B56 #593D1B

split-complementary

#1B591E #3D1B59 #591B37

monochromatic

#071708 #0D2A0E #1B591E #29882E #37B73E

Accessibility & contrast

On white

8.42

#1B591E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1B591E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B591E

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B591E	#FFFFFF	#000000	##FFFFFF
##1B591E	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)

#5B5017

Deuteranopia (green-blind)

#534B23

Tritanopia (blue-blind)

#0C564C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b591e;
/* rgb */ color: rgb(27, 89, 30);
/* oklch */ color: oklch(41.0% 0.111 143.9);

Tailwind

colors: {
  custom: {
    50: '#60895c',
    500: '#1b591e',
    950: '#000000',
  },
}

SCSS

$custom: #1b591e;
$custom-light: #60895c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b591e",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 30
  },
  "hsl": {
    "h": 122.903,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.41019,
    "c": 0.11065,
    "h": 143.9
  },
  "luminance": 0.07472
}

Semantic roles & 50–950 ramp

primary

#1B591E

secondary

#8F418B

accent

#4BD6DD

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#050B04

muted

#7A7C79

Preview Lab

Preview with #1B591E

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

Preview Lab → · Contrast checker → · Palette generator →