#1B783C#1B783C

#1B783C is a mid, vivid green. Relative luminance 0.140; OKLCH L 50.5% C 0.126 H 150.4°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX#1B783C
RGBrgb(27, 120, 60)
HSLhsl(141, 63%, 29%)
HSVhsv(141, 78%, 47%)
CMYKcmyk(77.5%, 0%, 50%, 52.9%)
CIE-LABlab(44.22, -40.60, 25.45)
CIE-LCHlch(44.22, 47.92, 147.92°)
OKLaboklab(50.55% -0.1092 0.0621)
OKLCHoklch(50.55% 0.126 150.4)
XYZxyz(7.9834, 13.9913, 6.5539)
Luminance0.1399 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B783C #781B57
analogous
#29781B #1B783C #1B786B
triadic
#1B783C #3C1B78 #783C1B
tetradic
#1B783C #1B2978 #781B57 #786B1B
square
#1B783C #1B2978 #781B57 #786B1B
split-complementary
#1B783C #6B1B78 #781B29
monochromatic
#06190C #104623 #1B783C #26AA55 #3BD371

Accessibility & contrast

On white

5.53
#1B783C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.80
#1B783C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B783C
5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B783C#FFFFFF#000000##FFFFFF
##1B783C1.005.533.805.53
#FFFFFF5.531.0021.001.00
#0000003.8021.001.0021.00
##FFFFFF5.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#796D37
Deuteranopia (green-blind)
#6E6640
Tritanopia (blue-blind)
#00766A
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #1b783c;
/* rgb */ color: rgb(27, 120, 60);
/* oklch */ color: oklch(50.5% 0.126 150.4);
Tailwind
colors: {
  custom: {
    50: '#67a073',
    500: '#1b783c',
    950: '#000000',
  },
}
SCSS
$custom: #1b783c;
$custom-light: #67a073;
$custom-dark: #000000;
JSON
{
  "hex": "#1b783c",
  "rgb": {
    "r": 27,
    "g": 120,
    "b": 60
  },
  "hsl": {
    "h": 141.29,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.50547,
    "c": 0.12558,
    "h": 150.4
  },
  "luminance": 0.13992
}

Semantic roles & 50–950 ramp

primary
#1B783C
secondary
#AC4387
accent
#41ACE6
background
#F6F9F7
surface
#EBF2ED
border
#C6CCC8
text
#070F08
muted
#7A7E7B

Preview Lab

Preview with #1B783C

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

Preview Lab → · Contrast checker → · Palette generator →

#1B783C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva