#1B803E#1B803E

#1B803E is a mid, vivid green. Relative luminance 0.160; OKLCH L 52.9% C 0.135 H 149.8°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX#1B803E
RGBrgb(27, 128, 62)
HSLhsl(141, 65%, 30%)
HSVhsv(141, 79%, 50%)
CMYKcmyk(78.9%, 0%, 51.6%, 49.8%)
CIE-LABlab(47.00, -43.31, 27.85)
CIE-LCHlch(47.00, 51.49, 147.26°)
OKLaboklab(52.85% -0.1164 0.0676)
OKLCHoklch(52.85% 0.135 149.8)
XYZxyz(9.0399, 16.0181, 7.1719)
Luminance0.1602 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B803E #801B5D
analogous
#2B801B #1B803E #1B8070
triadic
#1B803E #3E1B80 #803E1B
tetradic
#1B803E #1B2B80 #801B5D #80701B
square
#1B803E #1B2B80 #801B5D #80701B
split-complementary
#1B803E #701B80 #801B2B
monochromatic
#061B0D #104D26 #1B803E #26B356 #3FD673

Accessibility & contrast

On white

5.00
#1B803E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.20
#1B803E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B803E
5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B803E#FFFFFF#000000##FFFFFF
##1B803E1.005.004.205.00
#FFFFFF5.001.0021.001.00
#0000004.2021.001.0021.00
##FFFFFF5.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#817439
Deuteranopia (green-blind)
#756C43
Tritanopia (blue-blind)
#007E71
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #1b803e;
/* rgb */ color: rgb(27, 128, 62);
/* oklch */ color: oklch(52.9% 0.135 149.8);
Tailwind
colors: {
  custom: {
    50: '#69a674',
    500: '#1b803e',
    950: '#000000',
  },
}
SCSS
$custom: #1b803e;
$custom-light: #69a674;
$custom-dark: #000000;
JSON
{
  "hex": "#1b803e",
  "rgb": {
    "r": 27,
    "g": 128,
    "b": 62
  },
  "hsl": {
    "h": 140.792,
    "s": 65.161,
    "l": 30.392
  },
  "oklch": {
    "l": 0.52854,
    "c": 0.13459,
    "h": 149.8
  },
  "luminance": 0.16019
}

Semantic roles & 50–950 ramp

primary
#1B803E
secondary
#B4438D
accent
#40AEE8
background
#F6FAF7
surface
#ECF4ED
border
#C7CEC8
text
#070F08
muted
#7A7F7B

Preview Lab

Preview with #1B803E

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

Preview Lab → · Contrast checker → · Palette generator →

#1B803E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva