#1B9018#1B9018

#1B9018 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.0% C 0.181 H 142.5°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX#1B9018
RGBrgb(27, 144, 24)
HSLhsl(119, 71%, 33%)
HSVhsv(119, 83%, 56%)
CMYKcmyk(81.3%, 0%, 83.3%, 43.5%)
CIE-LABlab(52.11, -52.99, 49.79)
CIE-LCHlch(52.11, 72.71, 136.79°)
OKLaboklab(56.99% -0.144 0.1104)
OKLCHoklch(56.99% 0.181 142.5)
XYZxyz(10.5895, 20.2442, 4.2134)
Luminance0.2024 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9018 #8D1890
analogous
#579018 #1B9018 #189051
triadic
#1B9018 #181B90 #90181B
tetradic
#1B9018 #185790 #8D1890 #905118
square
#1B9018 #185790 #8D1890 #905118
split-complementary
#1B9018 #511890 #901857
monochromatic
#072707 #115C0F #1B9018 #25C421 #47E043

Accessibility & contrast

On white

4.16
#1B9018 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.05
#1B9018 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9018
5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9018#FFFFFF#000000##000000
##1B90181.004.165.055.05
#FFFFFF4.161.0021.0021.00
#0000005.0521.001.001.00
##0000005.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#938200
Deuteranopia (green-blind)
#877927
Tritanopia (blue-blind)
#008B7A
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #1b9018;
/* rgb */ color: rgb(27, 144, 24);
/* oklch */ color: oklch(57.0% 0.181 142.5);
Tailwind
colors: {
  custom: {
    50: '#6fb261',
    500: '#1b9018',
    950: '#000000',
  },
}
SCSS
$custom: #1b9018;
$custom-light: #6fb261;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9018",
  "rgb": {
    "r": 27,
    "g": 144,
    "b": 24
  },
  "hsl": {
    "h": 118.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.5699,
    "c": 0.18142,
    "h": 142.5
  },
  "luminance": 0.20245
}

Semantic roles & 50–950 ramp

primary
#1B9018
secondary
#BD43C0
accent
#3AEEEA
background
#F7FBF6
surface
#EDF6EB
border
#C8D0C6
text
#091105
muted
#7B807A

Preview Lab

Preview with #1B9018

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9018 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva