#1B8A39#1B8A39

#1B8A39 is a mid, vivid green. Relative luminance 0.187; OKLCH L 55.6% C 0.152 H 147.4°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX#1B8A39
RGBrgb(27, 138, 57)
HSLhsl(136, 67%, 32%)
HSVhsv(136, 80%, 54%)
CMYKcmyk(80.4%, 0%, 58.7%, 45.9%)
CIE-LABlab(50.34, -47.73, 34.49)
CIE-LCHlch(50.34, 58.89, 144.15°)
OKLaboklab(55.6% -0.1283 0.082)
OKLCHoklch(55.6% 0.152 147.4)
XYZxyz(10.2782, 18.7041, 6.9387)
Luminance0.1870 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8A39 #8A1B6C
analogous
#358A1B #1B8A39 #1B8A70
triadic
#1B8A39 #391B8A #8A391B
tetradic
#1B8A39 #1B358A #8A1B6C #8A701B
square
#1B8A39 #1B358A #8A1B6C #8A701B
split-complementary
#1B8A39 #701B8A #8A1B35
monochromatic
#07240F #115724 #1B8A39 #25BD4E #45DB6D

Accessibility & contrast

On white

4.43
#1B8A39 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.74
#1B8A39 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8A39
4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8A39#FFFFFF#000000##000000
##1B8A391.004.434.744.74
#FFFFFF4.431.0021.0021.00
#0000004.7421.001.001.00
##0000004.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C7D31
Deuteranopia (green-blind)
#7F743F
Tritanopia (blue-blind)
#008778
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #1b8a39;
/* rgb */ color: rgb(27, 138, 57);
/* oklch */ color: oklch(55.6% 0.152 147.4);
Tailwind
colors: {
  custom: {
    50: '#6cad72',
    500: '#1b8a39',
    950: '#000000',
  },
}
SCSS
$custom: #1b8a39;
$custom-light: #6cad72;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8a39",
  "rgb": {
    "r": 27,
    "g": 138,
    "b": 57
  },
  "hsl": {
    "h": 136.216,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.55602,
    "c": 0.1523,
    "h": 147.4
  },
  "luminance": 0.18705
}

Semantic roles & 50–950 ramp

primary
#1B8A39
secondary
#BC459C
accent
#3EBCEA
background
#F7FAF7
surface
#EDF4ED
border
#C8CEC8
text
#081008
muted
#7B7F7B

Preview Lab

Preview with #1B8A39

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8A39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva