#1B783F#1B783F

#1B783F is a mid, vivid green. Relative luminance 0.140; OKLCH L 50.6% C 0.123 H 151.5°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX#1B783F
RGBrgb(27, 120, 63)
HSLhsl(143, 63%, 29%)
HSVhsv(143, 78%, 47%)
CMYKcmyk(77.5%, 0%, 47.5%, 52.9%)
CIE-LABlab(44.27, -40.06, 23.85)
CIE-LCHlch(44.27, 46.62, 149.23°)
OKLaboklab(50.6% -0.1077 0.0586)
OKLCHoklch(50.6% 0.123 151.5)
XYZxyz(8.0650, 14.0239, 6.9835)
Luminance0.1403 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B783F #781B54
analogous
#26781B #1B783F #1B786E
triadic
#1B783F #3F1B78 #783F1B
tetradic
#1B783F #1B2678 #781B54 #786E1B
square
#1B783F #1B2678 #781B54 #786E1B
split-complementary
#1B783F #6E1B78 #781B26
monochromatic
#06190D #104625 #1B783F #26AA59 #3BD376

Accessibility & contrast

On white

5.52
#1B783F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.81
#1B783F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B783F
5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B783F#FFFFFF#000000##FFFFFF
##1B783F1.005.523.815.52
#FFFFFF5.521.0021.001.00
#0000003.8121.001.0021.00
##FFFFFF5.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#786D3B
Deuteranopia (green-blind)
#6D6643
Tritanopia (blue-blind)
#00766A
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #1b783f;
/* rgb */ color: rgb(27, 120, 63);
/* oklch */ color: oklch(50.6% 0.123 151.5);
Tailwind
colors: {
  custom: {
    50: '#67a075',
    500: '#1b783f',
    950: '#000000',
  },
}
SCSS
$custom: #1b783f;
$custom-light: #67a075;
$custom-dark: #000000;
JSON
{
  "hex": "#1b783f",
  "rgb": {
    "r": 27,
    "g": 120,
    "b": 63
  },
  "hsl": {
    "h": 143.226,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.506,
    "c": 0.12263,
    "h": 151.5
  },
  "luminance": 0.14025
}

Semantic roles & 50–950 ramp

primary
#1B783F
secondary
#AC4383
accent
#41A7E6
background
#F6F9F7
surface
#EBF2ED
border
#C6CCC8
text
#070F08
muted
#7A7E7B

Preview Lab

Preview with #1B783F

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

Preview Lab → · Contrast checker → · Palette generator →

#1B783F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva