#1B5611#1B5611

#1B5611 is a dark, moderate green. Relative luminance 0.069; OKLCH L 40.0% C 0.117 H 141.1°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX#1B5611
RGBrgb(27, 86, 17)
HSLhsl(111, 67%, 20%)
HSVhsv(111, 80%, 34%)
CMYKcmyk(68.6%, 0%, 80.2%, 66.3%)
CIE-LABlab(31.64, -33.19, 32.52)
CIE-LCHlch(31.64, 46.47, 135.58°)
OKLaboklab(39.98% -0.0907 0.0733)
OKLCHoklch(39.98% 0.117 141.1)
XYZxyz(3.8808, 6.9287, 1.6631)
Luminance0.0693 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5611 #4C1156
analogous
#3E5611 #1B5611 #115629
triadic
#1B5611 #111B56 #56111B
tetradic
#1B5611 #113E56 #4C1156 #562911
square
#1B5611 #113E56 #4C1156 #562911
split-complementary
#1B5611 #291156 #56113E
monochromatic
#081A05 #0B2307 #1B5611 #2B891B #3BBC25

Accessibility & contrast

On white

8.80
#1B5611 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.39
#1B5611 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5611
8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5611#FFFFFF#000000##FFFFFF
##1B56111.008.802.398.80
#FFFFFF8.801.0021.001.00
#0000002.3921.001.0021.00
##FFFFFF8.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#584D05
Deuteranopia (green-blind)
#514918
Tritanopia (blue-blind)
#115349
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #1b5611;
/* rgb */ color: rgb(27, 86, 17);
/* oklch */ color: oklch(40.0% 0.117 141.1);
Tailwind
colors: {
  custom: {
    50: '#618654',
    500: '#1b5611',
    950: '#000000',
  },
}
SCSS
$custom: #1b5611;
$custom-light: #618654;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5611",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 17
  },
  "hsl": {
    "h": 111.304,
    "s": 66.99,
    "l": 20.196
  },
  "oklch": {
    "l": 0.39978,
    "c": 0.11667,
    "h": 141.1
  },
  "luminance": 0.06929
}

Semantic roles & 50–950 ramp

primary
#1B5611
secondary
#82348F
accent
#3EEAD1
background
#F6F8F5
surface
#EBEFE9
border
#C6CAC5
text
#050B03
muted
#7A7C78

Preview Lab

Preview with #1B5611

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5611 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva