#1B9B37#1B9B37

#1B9B37 is a mid, vivid green. Relative luminance 0.240; OKLCH L 60.3% C 0.175 H 145.9°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX#1B9B37
RGBrgb(27, 155, 55)
HSLhsl(133, 70%, 36%)
HSVhsv(133, 83%, 61%)
CMYKcmyk(82.6%, 0%, 64.5%, 39.2%)
CIE-LABlab(56.04, -53.81, 42.01)
CIE-LCHlch(56.04, 68.26, 142.02°)
OKLaboklab(60.33% -0.1449 0.098)
OKLCHoklch(60.33% 0.175 145.9)
XYZxyz(12.8620, 23.9500, 7.5586)
Luminance0.2395 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9B37 #9B1B7F
analogous
#3F9B1B #1B9B37 #1B9B77
triadic
#1B9B37 #371B9B #9B371B
tetradic
#1B9B37 #1B3F9B #9B1B7F #9B771B
square
#1B9B37 #1B3F9B #9B1B7F #9B771B
split-complementary
#1B9B37 #771B9B #9B1B3F
monochromatic
#093312 #126725 #1B9B37 #24CF49 #50E070

Accessibility & contrast

On white

3.63
#1B9B37 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.79
#1B9B37 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9B37
5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9B37#FFFFFF#000000##000000
##1B9B371.003.635.795.79
#FFFFFF3.631.0021.0021.00
#0000005.7921.001.001.00
##0000005.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#9D8C2B
Deuteranopia (green-blind)
#908340
Tritanopia (blue-blind)
#009786
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #1b9b37;
/* rgb */ color: rgb(27, 155, 55);
/* oklch */ color: oklch(60.3% 0.175 145.9);
Tailwind
colors: {
  custom: {
    50: '#70ba72',
    500: '#1b9b37',
    950: '#000000',
  },
}
SCSS
$custom: #1b9b37;
$custom-light: #70ba72;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9b37",
  "rgb": {
    "r": 27,
    "g": 155,
    "b": 55
  },
  "hsl": {
    "h": 133.125,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.60326,
    "c": 0.17491,
    "h": 145.9
  },
  "luminance": 0.23952
}

Semantic roles & 50–950 ramp

primary
#1B9B37
secondary
#C34FAA
accent
#3BC6ED
background
#F7FBF7
surface
#EDF6ED
border
#C8D0C8
text
#091208
muted
#7B817B

Preview Lab

Preview with #1B9B37

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9B37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva