#1B5711#1B5711

#1B5711 is a dark, moderate green. Relative luminance 0.071; OKLCH L 40.3% C 0.118 H 141.1°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#1B5711
RGB	rgb(27, 87, 17)
HSL	hsl(111, 67%, 20%)
HSV	hsv(111, 80%, 34%)
CMYK	cmyk(69%, 0%, 80.5%, 65.9%)
CIE-LAB	lab(32.01, -33.59, 32.89)
CIE-LCH	lch(32.01, 47.01, 135.60°)
OKLab	oklab(40.28% -0.0918 0.0741)
OKLCH	oklch(40.28% 0.118 141.1)
XYZ	xyz(3.9612, 7.0895, 1.6899)
Luminance	0.0709 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5711 #4D1157

analogous

#3E5711 #1B5711 #11572A

triadic

#1B5711 #111B57 #57111B

tetradic

#1B5711 #113E57 #4D1157 #572A11

square

#1B5711 #113E57 #4D1157 #572A11

split-complementary

#1B5711 #2A1157 #57113E

monochromatic

#081A05 #0B2407 #1B5711 #2B8A1B #3BBD25

Accessibility & contrast

On white

8.68

#1B5711 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1B5711 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5711

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5711	#FFFFFF	#000000	##FFFFFF
##1B5711	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E04

Deuteranopia (green-blind)

#524918

Tritanopia (blue-blind)

#11544A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1b5711;
/* rgb */ color: rgb(27, 87, 17);
/* oklch */ color: oklch(40.3% 0.118 141.1);

Tailwind

colors: {
  custom: {
    50: '#618754',
    500: '#1b5711',
    950: '#000000',
  },
}

SCSS

$custom: #1b5711;
$custom-light: #618754;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5711",
  "rgb": {
    "r": 27,
    "g": 87,
    "b": 17
  },
  "hsl": {
    "h": 111.429,
    "s": 67.308,
    "l": 20.392
  },
  "oklch": {
    "l": 0.40281,
    "c": 0.11799,
    "h": 141.1
  },
  "luminance": 0.0709
}

Semantic roles & 50–950 ramp

primary

#1B5711

secondary

#833490

accent

#3EEAD2

background

#F6F8F5

surface

#EBEFE9

border

#C6CAC5

text

#050B03

muted

#7A7C78

Preview Lab

Preview with #1B5711

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

Preview Lab → · Contrast checker → · Palette generator →