#1B5811#1B5811

#1B5811 is a dark, moderate green. Relative luminance 0.073; OKLCH L 40.6% C 0.119 H 141.1°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#1B5811
RGB	rgb(27, 88, 17)
HSL	hsl(112, 68%, 21%)
HSV	hsv(112, 81%, 35%)
CMYK	cmyk(69.3%, 0%, 80.7%, 65.5%)
CIE-LAB	lab(32.38, -33.98, 33.25)
CIE-LCH	lch(32.38, 47.54, 135.62°)
OKLab	oklab(40.58% -0.0929 0.0749)
OKLCH	oklch(40.58% 0.119 141.1)
XYZ	xyz(4.0427, 7.2525, 1.7170)
Luminance	0.0725 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5811 #4E1158

analogous

#3E5811 #1B5811 #11582A

triadic

#1B5811 #111B58 #58111B

tetradic

#1B5811 #113E58 #4E1158 #582A11

square

#1B5811 #113E58 #4E1158 #582A11

split-complementary

#1B5811 #2A1158 #58113E

monochromatic

#081A05 #0B2507 #1B5811 #2B8B1B #3ABF25

Accessibility & contrast

On white

8.57

#1B5811 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1B5811 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5811

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5811	#FFFFFF	#000000	##FFFFFF
##1B5811	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A4F04

Deuteranopia (green-blind)

#534A19

Tritanopia (blue-blind)

#10554A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b5811;
/* rgb */ color: rgb(27, 88, 17);
/* oklch */ color: oklch(40.6% 0.119 141.1);

Tailwind

colors: {
  custom: {
    50: '#618855',
    500: '#1b5811',
    950: '#000000',
  },
}

SCSS

$custom: #1b5811;
$custom-light: #618855;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5811",
  "rgb": {
    "r": 27,
    "g": 88,
    "b": 17
  },
  "hsl": {
    "h": 111.549,
    "s": 67.619,
    "l": 20.588
  },
  "oklch": {
    "l": 0.40583,
    "c": 0.11929,
    "h": 141.1
  },
  "luminance": 0.07253
}

Semantic roles & 50–950 ramp

primary

#1B5811

secondary

#843491

accent

#3DEAD2

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#050B03

muted

#7A7C78

Preview Lab

Preview with #1B5811

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

Preview Lab → · Contrast checker → · Palette generator →