#1B9F37#1B9F37

#1B9F37 is a mid, vivid green. Relative luminance 0.253; OKLCH L 61.4% C 0.180 H 145.7°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX#1B9F37
RGBrgb(27, 159, 55)
HSLhsl(133, 71%, 36%)
HSVhsv(133, 83%, 62%)
CMYKcmyk(83%, 0%, 65.4%, 37.6%)
CIE-LABlab(57.37, -55.12, 43.49)
CIE-LCHlch(57.37, 70.22, 141.73°)
OKLaboklab(61.43% -0.1484 0.1012)
OKLCHoklch(61.43% 0.18 145.7)
XYZxyz(13.5387, 25.3034, 7.7842)
Luminance0.2530 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9F37 #9F1B83
analogous
#419F1B #1B9F37 #1B9F79
triadic
#1B9F37 #371B9F #9F371B
tetradic
#1B9F37 #1B419F #9F1B83 #9F791B
square
#1B9F37 #1B419F #9F1B83 #9F791B
split-complementary
#1B9F37 #791B9F #9F1B41
monochromatic
#093613 #126B25 #1B9F37 #24D349 #53E271

Accessibility & contrast

On white

3.46
#1B9F37 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.06
#1B9F37 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9F37
6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9F37#FFFFFF#000000##000000
##1B9F371.003.466.066.06
#FFFFFF3.461.0021.0021.00
#0000006.0621.001.001.00
##0000006.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A1902A
Deuteranopia (green-blind)
#938640
Tritanopia (blue-blind)
#009B89
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #1b9f37;
/* rgb */ color: rgb(27, 159, 55);
/* oklch */ color: oklch(61.4% 0.180 145.7);
Tailwind
colors: {
  custom: {
    50: '#71bd72',
    500: '#1b9f37',
    950: '#000000',
  },
}
SCSS
$custom: #1b9f37;
$custom-light: #71bd72;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9f37",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 55
  },
  "hsl": {
    "h": 132.727,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61433,
    "c": 0.17965,
    "h": 145.7
  },
  "luminance": 0.25305
}

Semantic roles & 50–950 ramp

primary
#1B9F37
secondary
#C551AC
accent
#3AC8EE
background
#F7FBF7
surface
#EEF7ED
border
#C9D0C8
text
#091208
muted
#7B817B

Preview Lab

Preview with #1B9F37

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9F37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva