#1B843F#1B843F

#1B843F is a mid, vivid green. Relative luminance 0.171; OKLCH L 54.0% C 0.139 H 149.6°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX#1B843F
RGBrgb(27, 132, 63)
HSLhsl(141, 66%, 31%)
HSVhsv(141, 80%, 52%)
CMYKcmyk(79.5%, 0%, 52.3%, 48.2%)
CIE-LABlab(48.38, -44.64, 29.03)
CIE-LCHlch(48.38, 53.25, 146.96°)
OKLaboklab(54% -0.1199 0.0703)
OKLCHoklch(54% 0.139 149.6)
XYZxyz(9.5997, 17.0933, 7.4951)
Luminance0.1709 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B843F #841B60
analogous
#2B841B #1B843F #1B8473
triadic
#1B843F #3F1B84 #843F1B
tetradic
#1B843F #1B2B84 #841B60 #84731B
square
#1B843F #1B2B84 #841B60 #84731B
split-complementary
#1B843F #731B84 #841B2B
monochromatic
#061E0F #115127 #1B843F #25B757 #41D875

Accessibility & contrast

On white

4.75
#1B843F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.42
#1B843F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B843F
4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B843F#FFFFFF#000000##FFFFFF
##1B843F1.004.754.424.75
#FFFFFF4.751.0021.001.00
#0000004.4221.001.0021.00
##FFFFFF4.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#857839
Deuteranopia (green-blind)
#797044
Tritanopia (blue-blind)
#008174
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #1b843f;
/* rgb */ color: rgb(27, 132, 63);
/* oklch */ color: oklch(54.0% 0.139 149.6);
Tailwind
colors: {
  custom: {
    50: '#6aa975',
    500: '#1b843f',
    950: '#000000',
  },
}
SCSS
$custom: #1b843f;
$custom-light: #6aa975;
$custom-dark: #000000;
JSON
{
  "hex": "#1b843f",
  "rgb": {
    "r": 27,
    "g": 132,
    "b": 63
  },
  "hsl": {
    "h": 140.571,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.54001,
    "c": 0.13902,
    "h": 149.6
  },
  "luminance": 0.17094
}

Semantic roles & 50–950 ramp

primary
#1B843F
secondary
#B74390
accent
#3FAFE9
background
#F6FAF7
surface
#ECF4ED
border
#C7CEC8
text
#071008
muted
#7A7F7B

Preview Lab

Preview with #1B843F

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

Preview Lab → · Contrast checker → · Palette generator →

#1B843F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva