#1B550F#1B550F

#1B550F is a dark, moderate green. Relative luminance 0.068; OKLCH L 39.7% C 0.117 H 140.7°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX#1B550F
RGBrgb(27, 85, 15)
HSLhsl(110, 70%, 20%)
HSVhsv(110, 82%, 33%)
CMYKcmyk(68.2%, 0%, 82.4%, 66.7%)
CIE-LABlab(31.26, -32.96, 32.94)
CIE-LCHlch(31.26, 46.59, 135.02°)
OKLaboklab(39.66% -0.0902 0.0739)
OKLCHoklch(39.66% 0.117 140.7)
XYZxyz(3.7865, 6.7641, 1.5579)
Luminance0.0677 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B550F #490F55
analogous
#3E550F #1B550F #0F5526
triadic
#1B550F #0F1B55 #550F1B
tetradic
#1B550F #0F3E55 #490F55 #55260F
square
#1B550F #0F3E55 #490F55 #55260F
split-complementary
#1B550F #260F55 #550F3E
monochromatic
#081A05 #0A2106 #1B550F #2C8918 #3CBD21

Accessibility & contrast

On white

8.92
#1B550F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.35
#1B550F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B550F
8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B550F#FFFFFF#000000##FFFFFF
##1B550F1.008.922.358.92
#FFFFFF8.921.0021.001.00
#0000002.3521.001.0021.00
##FFFFFF8.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574C02
Deuteranopia (green-blind)
#504817
Tritanopia (blue-blind)
#125248
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #1b550f;
/* rgb */ color: rgb(27, 85, 15);
/* oklch */ color: oklch(39.7% 0.117 140.7);
Tailwind
colors: {
  custom: {
    50: '#608553',
    500: '#1b550f',
    950: '#000000',
  },
}
SCSS
$custom: #1b550f;
$custom-light: #608553;
$custom-dark: #000000;
JSON
{
  "hex": "#1b550f",
  "rgb": {
    "r": 27,
    "g": 85,
    "b": 15
  },
  "hsl": {
    "h": 109.714,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.39659,
    "c": 0.11662,
    "h": 140.7
  },
  "luminance": 0.06765
}

Semantic roles & 50–950 ramp

primary
#1B550F
secondary
#7F318F
accent
#3BEDCE
background
#F6F8F4
surface
#EBEFE7
border
#C6CAC3
text
#050B03
muted
#7A7C78

Preview Lab

Preview with #1B550F

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

Preview Lab → · Contrast checker → · Palette generator →

#1B550F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva