#1B5911#1B5911

#1B5911 is a dark, vivid green. Relative luminance 0.074; OKLCH L 40.9% C 0.121 H 141.2°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#1B5911
RGB	rgb(27, 89, 17)
HSL	hsl(112, 68%, 21%)
HSV	hsv(112, 81%, 35%)
CMYK	cmyk(69.7%, 0%, 80.9%, 65.1%)
CIE-LAB	lab(32.74, -34.37, 33.61)
CIE-LCH	lch(32.74, 48.07, 135.64°)
OKLab	oklab(40.89% -0.0939 0.0756)
OKLCH	oklch(40.89% 0.121 141.2)
XYZ	xyz(4.1253, 7.4178, 1.7446)
Luminance	0.0742 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5911 #4F1159

analogous

#3F5911 #1B5911 #11592B

triadic

#1B5911 #111B59 #59111B

tetradic

#1B5911 #113F59 #4F1159 #592B11

square

#1B5911 #113F59 #4F1159 #592B11

split-complementary

#1B5911 #2B1159 #59113F

monochromatic

#081A05 #0B2607 #1B5911 #2B8C1B #3AC025

Accessibility & contrast

On white

8.46

#1B5911 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1B5911 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5911

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5911	#FFFFFF	#000000	##FFFFFF
##1B5911	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5003

Deuteranopia (green-blind)

#544B19

Tritanopia (blue-blind)

#10564B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b5911;
/* rgb */ color: rgb(27, 89, 17);
/* oklch */ color: oklch(40.9% 0.121 141.2);

Tailwind

colors: {
  custom: {
    50: '#618955',
    500: '#1b5911',
    950: '#000000',
  },
}

SCSS

$custom: #1b5911;
$custom-light: #618955;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5911",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 17
  },
  "hsl": {
    "h": 111.667,
    "s": 67.925,
    "l": 20.784
  },
  "oklch": {
    "l": 0.40885,
    "c": 0.12059,
    "h": 141.2
  },
  "luminance": 0.07418
}

Semantic roles & 50–950 ramp

primary

#1B5911

secondary

#853492

accent

#3DEBD3

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#050B03

muted

#7A7C78

Preview Lab

Preview with #1B5911

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

Preview Lab → · Contrast checker → · Palette generator →