#1B591A#1B591A

#1B591A is a dark, moderate green. Relative luminance 0.075; OKLCH L 41.0% C 0.114 H 142.9°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#1B591A
RGB	rgb(27, 89, 26)
HSL	hsl(119, 55%, 23%)
HSV	hsv(119, 71%, 35%)
CMYK	cmyk(69.7%, 0%, 70.8%, 65.1%)
CIE-LAB	lab(32.81, -33.49, 29.74)
CIE-LCH	lch(32.81, 44.79, 138.39°)
OKLab	oklab(40.97% -0.091 0.0688)
OKLCH	oklch(40.97% 0.114 142.9)
XYZ	xyz(4.2106, 7.4519, 2.1936)
Luminance	0.0745 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B591A #581A59

analogous

#3A591A #1B591A #1A5939

triadic

#1B591A #1A1B59 #591A1B

tetradic

#1B591A #1A3A59 #581A59 #59391A

square

#1B591A #1A3A59 #581A59 #59391A

split-complementary

#1B591A #391A59 #591A3A

monochromatic

#071807 #0D2A0C #1B591A #298828 #38B836

Accessibility & contrast

On white

8.43

#1B591A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1B591A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B591A

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B591A	#FFFFFF	#000000	##FFFFFF
##1B591A	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5012

Deuteranopia (green-blind)

#544B20

Tritanopia (blue-blind)

#0E564C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b591a;
/* rgb */ color: rgb(27, 89, 26);
/* oklch */ color: oklch(41.0% 0.114 142.9);

Tailwind

colors: {
  custom: {
    50: '#61895a',
    500: '#1b591a',
    950: '#000000',
  },
}

SCSS

$custom: #1b591a;
$custom-light: #61895a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b591a",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 26
  },
  "hsl": {
    "h": 119.048,
    "s": 54.783,
    "l": 22.549
  },
  "oklch": {
    "l": 0.40971,
    "c": 0.11408,
    "h": 142.9
  },
  "luminance": 0.07452
}

Semantic roles & 50–950 ramp

primary

#1B591A

secondary

#8E408F

accent

#4ADEDC

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#050B04

muted

#7A7C79

Preview Lab

Preview with #1B591A

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

Preview Lab → · Contrast checker → · Palette generator →