#1B552F#1B552F

#1B552F is a dark, moderate green. Relative luminance 0.069; OKLCH L 40.1% C 0.087 H 151.6°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX#1B552F
RGBrgb(27, 85, 47)
HSLhsl(141, 52%, 22%)
HSVhsv(141, 68%, 33%)
CMYKcmyk(68.2%, 0%, 44.7%, 66.7%)
CIE-LABlab(31.66, -28.47, 16.78)
CIE-LCHlch(31.66, 33.04, 149.48°)
OKLaboklab(40.11% -0.0769 0.0416)
OKLCHoklch(40.11% 0.087 151.6)
XYZxyz(4.2133, 6.9348, 3.8053)
Luminance0.0693 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B552F #551B41
analogous
#24551B #1B552F #1B554C
triadic
#1B552F #2F1B55 #552F1B
tetradic
#1B552F #1B2455 #551B41 #554C1B
square
#1B552F #1B2455 #551B41 #554C1B
split-complementary
#1B552F #4C1B55 #551B24
monochromatic
#07170D #0C2715 #1B552F #2A8349 #39B262

Accessibility & contrast

On white

8.80
#1B552F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.39
#1B552F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B552F
8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B552F#FFFFFF#000000##FFFFFF
##1B552F1.008.802.398.80
#FFFFFF8.801.0021.001.00
#0000002.3921.001.0021.00
##FFFFFF8.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554E2C
Deuteranopia (green-blind)
#4E4832
Tritanopia (blue-blind)
#06544C
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #1b552f;
/* rgb */ color: rgb(27, 85, 47);
/* oklch */ color: oklch(40.1% 0.087 151.6);
Tailwind
colors: {
  custom: {
    50: '#5f8568',
    500: '#1b552f',
    950: '#000000',
  },
}
SCSS
$custom: #1b552f;
$custom-light: #5f8568;
$custom-dark: #000000;
JSON
{
  "hex": "#1b552f",
  "rgb": {
    "r": 27,
    "g": 85,
    "b": 47
  },
  "hsl": {
    "h": 140.69,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.40112,
    "c": 0.08745,
    "h": 151.6
  },
  "luminance": 0.06935
}

Semantic roles & 50–950 ramp

primary
#1B552F
secondary
#8B4171
accent
#4DAADB
background
#F5F8F6
surface
#EAEFEB
border
#C6CAC6
text
#050B06
muted
#797C7A

Preview Lab

Preview with #1B552F

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

Preview Lab → · Contrast checker → · Palette generator →

#1B552F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva