#1B8544#1B8544

#1B8544 is a mid, vivid green. Relative luminance 0.174; OKLCH L 54.4% C 0.136 H 151.0°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#1B8544
RGBrgb(27, 133, 68)
HSLhsl(143, 66%, 31%)
HSVhsv(143, 80%, 52%)
CMYKcmyk(79.7%, 0%, 48.9%, 47.8%)
CIE-LABlab(48.79, -44.16, 26.87)
CIE-LCHlch(48.79, 51.69, 148.68°)
OKLaboklab(54.37% -0.1186 0.0657)
OKLCHoklch(54.37% 0.136 151)
XYZxyz(9.8821, 17.4242, 8.3101)
Luminance0.1742 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8544 #851B5C
analogous
#27851B #1B8544 #1B8579
triadic
#1B8544 #441B85 #85441B
tetradic
#1B8544 #1B2785 #851B5C #85791B
square
#1B8544 #1B2785 #851B5C #85791B
split-complementary
#1B8544 #791B85 #851B27
monochromatic
#061F10 #11522A #1B8544 #25B85E #42D97C

Accessibility & contrast

On white

4.68
#1B8544 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.48
#1B8544 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8544
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8544#FFFFFF#000000##FFFFFF
##1B85441.004.684.484.68
#FFFFFF4.681.0021.001.00
#0000004.4821.001.0021.00
##FFFFFF4.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#86793F
Deuteranopia (green-blind)
#797049
Tritanopia (blue-blind)
#008376
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #1b8544;
/* rgb */ color: rgb(27, 133, 68);
/* oklch */ color: oklch(54.4% 0.136 151.0);
Tailwind
colors: {
  custom: {
    50: '#6aa979',
    500: '#1b8544',
    950: '#000000',
  },
}
SCSS
$custom: #1b8544;
$custom-light: #6aa979;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8544",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 68
  },
  "hsl": {
    "h": 143.208,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.54366,
    "c": 0.13561,
    "h": 151
  },
  "luminance": 0.17425
}

Semantic roles & 50–950 ramp

primary
#1B8544
secondary
#B8448B
accent
#3FA7E9
background
#F6FAF7
surface
#ECF4ED
border
#C7CEC8
text
#081009
muted
#7A7F7B

Preview Lab

Preview with #1B8544

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8544 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva