#1B9B2F#1B9B2F

#1B9B2F is a mid, vivid green. Relative luminance 0.239; OKLCH L 60.2% C 0.181 H 144.7°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX#1B9B2F
RGBrgb(27, 155, 47)
HSLhsl(129, 70%, 36%)
HSVhsv(129, 83%, 61%)
CMYKcmyk(82.6%, 0%, 69.7%, 39.2%)
CIE-LABlab(55.97, -54.68, 45.40)
CIE-LCHlch(55.97, 71.07, 140.30°)
OKLaboklab(60.24% -0.1475 0.1043)
OKLCHoklch(60.24% 0.181 144.7)
XYZxyz(12.6855, 23.8794, 6.6294)
Luminance0.2388 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9B2F #9B1B87
analogous
#479B1B #1B9B2F #1B9B6F
triadic
#1B9B2F #2F1B9B #9B2F1B
tetradic
#1B9B2F #1B479B #9B1B87 #9B6F1B
square
#1B9B2F #1B479B #9B1B87 #9B6F1B
split-complementary
#1B9B2F #6F1B9B #9B1B47
monochromatic
#09330F #12671F #1B9B2F #24CF3F #50E066

Accessibility & contrast

On white

3.64
#1B9B2F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.78
#1B9B2F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9B2F
5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9B2F#FFFFFF#000000##000000
##1B9B2F1.003.645.785.78
#FFFFFF3.641.0021.0021.00
#0000005.7821.001.001.00
##0000005.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#9E8C20
Deuteranopia (green-blind)
#908239
Tritanopia (blue-blind)
#009785
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #1b9b2f;
/* rgb */ color: rgb(27, 155, 47);
/* oklch */ color: oklch(60.2% 0.181 144.7);
Tailwind
colors: {
  custom: {
    50: '#71ba6d',
    500: '#1b9b2f',
    950: '#000000',
  },
}
SCSS
$custom: #1b9b2f;
$custom-light: #71ba6d;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9b2f",
  "rgb": {
    "r": 27,
    "g": 155,
    "b": 47
  },
  "hsl": {
    "h": 129.375,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.60244,
    "c": 0.18071,
    "h": 144.7
  },
  "luminance": 0.23881
}

Semantic roles & 50–950 ramp

primary
#1B9B2F
secondary
#C34FB1
accent
#3BD1ED
background
#F7FBF6
surface
#EDF6EC
border
#C8D0C7
text
#091207
muted
#7B817A

Preview Lab

Preview with #1B9B2F

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9B2F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva