#1B552D#1B552D

#1B552D is a dark, moderate green. Relative luminance 0.069; OKLCH L 40.1% C 0.090 H 150.4°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX#1B552D
RGBrgb(27, 85, 45)
HSLhsl(139, 52%, 22%)
HSVhsv(139, 68%, 33%)
CMYKcmyk(68.2%, 0%, 47.1%, 66.7%)
CIE-LABlab(31.62, -28.87, 17.93)
CIE-LCHlch(31.62, 33.98, 148.16°)
OKLaboklab(40.07% -0.0779 0.0442)
OKLCHoklch(40.07% 0.09 150.4)
XYZxyz(4.1738, 6.9191, 3.5977)
Luminance0.0692 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B552D #551B43
analogous
#26551B #1B552D #1B554A
triadic
#1B552D #2D1B55 #552D1B
tetradic
#1B552D #1B2655 #551B43 #554A1B
square
#1B552D #1B2655 #551B43 #554A1B
split-complementary
#1B552D #4A1B55 #551B26
monochromatic
#07170C #0C2714 #1B552D #2A8346 #39B25E

Accessibility & contrast

On white

8.81
#1B552D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.38
#1B552D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B552D
8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B552D#FFFFFF#000000##FFFFFF
##1B552D1.008.812.388.81
#FFFFFF8.811.0021.001.00
#0000002.3821.001.0021.00
##FFFFFF8.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554E2A
Deuteranopia (green-blind)
#4E4830
Tritanopia (blue-blind)
#07534B
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #1b552d;
/* rgb */ color: rgb(27, 85, 45);
/* oklch */ color: oklch(40.1% 0.090 150.4);
Tailwind
colors: {
  custom: {
    50: '#5f8566',
    500: '#1b552d',
    950: '#000000',
  },
}
SCSS
$custom: #1b552d;
$custom-light: #5f8566;
$custom-dark: #000000;
JSON
{
  "hex": "#1b552d",
  "rgb": {
    "r": 27,
    "g": 85,
    "b": 45
  },
  "hsl": {
    "h": 138.621,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.4007,
    "c": 0.08961,
    "h": 150.4
  },
  "luminance": 0.06919
}

Semantic roles & 50–950 ramp

primary
#1B552D
secondary
#8B4174
accent
#4DAFDB
background
#F5F8F6
surface
#EAEFEB
border
#C6CAC6
text
#050B06
muted
#797C7A

Preview Lab

Preview with #1B552D

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

Preview Lab → · Contrast checker → · Palette generator →

#1B552D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva