#1B9B2B#1B9B2B

#1B9B2B is a mid, vivid green. Relative luminance 0.238; OKLCH L 60.2% C 0.183 H 144.2°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX#1B9B2B
RGBrgb(27, 155, 43)
HSLhsl(128, 70%, 36%)
HSVhsv(128, 83%, 61%)
CMYKcmyk(82.6%, 0%, 72.3%, 39.2%)
CIE-LABlab(55.94, -55.07, 46.99)
CIE-LCHlch(55.94, 72.39, 139.53°)
OKLaboklab(60.21% -0.1488 0.1072)
OKLCHoklch(60.21% 0.183 144.2)
XYZxyz(12.6085, 23.8486, 6.2238)
Luminance0.2385 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9B2B #9B1B8B
analogous
#4B9B1B #1B9B2B #1B9B6B
triadic
#1B9B2B #2B1B9B #9B2B1B
tetradic
#1B9B2B #1B4B9B #9B1B8B #9B6B1B
square
#1B9B2B #1B4B9B #9B1B8B #9B6B1B
split-complementary
#1B9B2B #6B1B9B #9B1B4B
monochromatic
#09330E #12671D #1B9B2B #24CF39 #50E062

Accessibility & contrast

On white

3.64
#1B9B2B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.77
#1B9B2B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9B2B
5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9B2B#FFFFFF#000000##000000
##1B9B2B1.003.645.775.77
#FFFFFF3.641.0021.0021.00
#0000005.7721.001.001.00
##0000005.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#9E8C19
Deuteranopia (green-blind)
#908236
Tritanopia (blue-blind)
#009785
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #1b9b2b;
/* rgb */ color: rgb(27, 155, 43);
/* oklch */ color: oklch(60.2% 0.183 144.2);
Tailwind
colors: {
  custom: {
    50: '#71ba6b',
    500: '#1b9b2b',
    950: '#000000',
  },
}
SCSS
$custom: #1b9b2b;
$custom-light: #71ba6b;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9b2b",
  "rgb": {
    "r": 27,
    "g": 155,
    "b": 43
  },
  "hsl": {
    "h": 127.5,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.60208,
    "c": 0.18335,
    "h": 144.2
  },
  "luminance": 0.2385
}

Semantic roles & 50–950 ramp

primary
#1B9B2B
secondary
#C34FB5
accent
#3BD7ED
background
#F7FBF6
surface
#EDF6EC
border
#C8D0C7
text
#091207
muted
#7B817A

Preview Lab

Preview with #1B9B2B

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9B2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva