#1B8343#1B8343

#1B8343 is a mid, vivid green. Relative luminance 0.169; OKLCH L 53.8% C 0.134 H 151.0°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX#1B8343
RGBrgb(27, 131, 67)
HSLhsl(143, 66%, 31%)
HSVhsv(143, 79%, 51%)
CMYKcmyk(79.4%, 0%, 48.9%, 48.6%)
CIE-LABlab(48.10, -43.58, 26.53)
CIE-LCHlch(48.10, 51.02, 148.67°)
OKLaboklab(53.79% -0.1171 0.0649)
OKLCHoklch(53.79% 0.134 151)
XYZxyz(9.5806, 16.8697, 8.0604)
Luminance0.1687 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8343 #831B5B
analogous
#27831B #1B8343 #1B8377
triadic
#1B8343 #431B83 #83431B
tetradic
#1B8343 #1B2783 #831B5B #83771B
square
#1B8343 #1B2783 #831B5B #83771B
split-complementary
#1B8343 #771B83 #831B27
monochromatic
#061E0F #115029 #1B8343 #25B65D #41D87B

Accessibility & contrast

On white

4.80
#1B8343 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.37
#1B8343 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8343
4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8343#FFFFFF#000000##FFFFFF
##1B83431.004.804.374.80
#FFFFFF4.801.0021.001.00
#0000004.3721.001.0021.00
##FFFFFF4.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#84773E
Deuteranopia (green-blind)
#786F48
Tritanopia (blue-blind)
#008174
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #1b8343;
/* rgb */ color: rgb(27, 131, 67);
/* oklch */ color: oklch(53.8% 0.134 151.0);
Tailwind
colors: {
  custom: {
    50: '#6aa878',
    500: '#1b8343',
    950: '#000000',
  },
}
SCSS
$custom: #1b8343;
$custom-light: #6aa878;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8343",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 67
  },
  "hsl": {
    "h": 143.077,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53786,
    "c": 0.13385,
    "h": 151
  },
  "luminance": 0.16871
}

Semantic roles & 50–950 ramp

primary
#1B8343
secondary
#B6438A
accent
#3FA7E9
background
#F6FAF7
surface
#ECF4ED
border
#C7CEC8
text
#071009
muted
#7A7F7B

Preview Lab

Preview with #1B8343

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8343 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva