#1B8A3D#1B8A3D

#1B8A3D is a mid, vivid green. Relative luminance 0.187; OKLCH L 55.7% C 0.149 H 148.4°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX#1B8A3D
RGBrgb(27, 138, 61)
HSLhsl(138, 67%, 32%)
HSVhsv(138, 80%, 54%)
CMYKcmyk(80.4%, 0%, 55.8%, 45.9%)
CIE-LABlab(50.39, -47.15, 32.53)
CIE-LCHlch(50.39, 57.28, 145.39°)
OKLaboklab(55.66% -0.1267 0.078)
OKLCHoklch(55.66% 0.149 148.4)
XYZxyz(10.3819, 18.7456, 7.4851)
Luminance0.1875 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8A3D #8A1B68
analogous
#318A1B #1B8A3D #1B8A74
triadic
#1B8A3D #3D1B8A #8A3D1B
tetradic
#1B8A3D #1B318A #8A1B68 #8A741B
square
#1B8A3D #1B318A #8A1B68 #8A741B
split-complementary
#1B8A3D #741B8A #8A1B31
monochromatic
#072410 #115726 #1B8A3D #25BD54 #45DB73

Accessibility & contrast

On white

4.42
#1B8A3D on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.75
#1B8A3D on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8A3D
4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8A3D#FFFFFF#000000##000000
##1B8A3D1.004.424.754.75
#FFFFFF4.421.0021.0021.00
#0000004.7521.001.001.00
##0000004.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B7D36
Deuteranopia (green-blind)
#7F7443
Tritanopia (blue-blind)
#008779
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #1b8a3d;
/* rgb */ color: rgb(27, 138, 61);
/* oklch */ color: oklch(55.7% 0.149 148.4);
Tailwind
colors: {
  custom: {
    50: '#6cad74',
    500: '#1b8a3d',
    950: '#000000',
  },
}
SCSS
$custom: #1b8a3d;
$custom-light: #6cad74;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8a3d",
  "rgb": {
    "r": 27,
    "g": 138,
    "b": 61
  },
  "hsl": {
    "h": 138.378,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.55658,
    "c": 0.14876,
    "h": 148.4
  },
  "luminance": 0.18747
}

Semantic roles & 50–950 ramp

primary
#1B8A3D
secondary
#BC4597
accent
#3EB5EA
background
#F7FAF7
surface
#EDF4ED
border
#C8CEC8
text
#081008
muted
#7B7F7B

Preview Lab

Preview with #1B8A3D

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8A3D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva