#1B9E37#1B9E37

#1B9E37 is a mid, vivid green. Relative luminance 0.250; OKLCH L 61.2% C 0.178 H 145.8°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#1B9E37
RGBrgb(27, 158, 55)
HSLhsl(133, 71%, 36%)
HSVhsv(133, 83%, 62%)
CMYKcmyk(82.9%, 0%, 65.2%, 38%)
CIE-LABlab(57.04, -54.80, 43.12)
CIE-LCHlch(57.04, 69.73, 141.80°)
OKLaboklab(61.16% -0.1475 0.1004)
OKLCHoklch(61.16% 0.178 145.8)
XYZxyz(13.3674, 24.9609, 7.7271)
Luminance0.2496 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9E37 #9E1B82
analogous
#419E1B #1B9E37 #1B9E79
triadic
#1B9E37 #371B9E #9E371B
tetradic
#1B9E37 #1B419E #9E1B82 #9E791B
square
#1B9E37 #1B419E #9E1B82 #9E791B
split-complementary
#1B9E37 #791B9E #9E1B41
monochromatic
#093513 #126A25 #1B9E37 #24D249 #52E171

Accessibility & contrast

On white

3.50
#1B9E37 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.99
#1B9E37 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E37
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9E37#FFFFFF#000000##000000
##1B9E371.003.505.995.99
#FFFFFF3.501.0021.0021.00
#0000005.9921.001.001.00
##0000005.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A08F2B
Deuteranopia (green-blind)
#928540
Tritanopia (blue-blind)
#009A88
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #1b9e37;
/* rgb */ color: rgb(27, 158, 55);
/* oklch */ color: oklch(61.2% 0.178 145.8);
Tailwind
colors: {
  custom: {
    50: '#71bc72',
    500: '#1b9e37',
    950: '#000000',
  },
}
SCSS
$custom: #1b9e37;
$custom-light: #71bc72;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9e37",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 55
  },
  "hsl": {
    "h": 132.824,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.61156,
    "c": 0.17846,
    "h": 145.8
  },
  "luminance": 0.24963
}

Semantic roles & 50–950 ramp

primary
#1B9E37
secondary
#C451AB
accent
#3AC7EE
background
#F7FBF7
surface
#EDF6ED
border
#C8D0C8
text
#091208
muted
#7B817B

Preview Lab

Preview with #1B9E37

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9E37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva