#1B8433#1B8433

#1B8433 is a mid, vivid green. Relative luminance 0.170; OKLCH L 53.8% C 0.150 H 146.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#1B8433
RGBrgb(27, 132, 51)
HSLhsl(134, 66%, 31%)
HSVhsv(134, 80%, 52%)
CMYKcmyk(79.5%, 0%, 61.4%, 48.2%)
CIE-LABlab(48.23, -46.44, 34.98)
CIE-LCHlch(48.23, 58.14, 143.01°)
OKLaboklab(53.83% -0.125 0.0826)
OKLCHoklch(53.83% 0.15 146.6)
XYZxyz(9.3001, 16.9735, 5.9174)
Luminance0.1698 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8433 #841B6C
analogous
#37841B #1B8433 #1B8467
triadic
#1B8433 #331B84 #84331B
tetradic
#1B8433 #1B3784 #841B6C #84671B
square
#1B8433 #1B3784 #841B6C #84671B
split-complementary
#1B8433 #671B84 #841B37
monochromatic
#061E0C #11511F #1B8433 #25B747 #41D864

Accessibility & contrast

On white

4.78
#1B8433 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.39
#1B8433 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8433
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8433#FFFFFF#000000##FFFFFF
##1B84331.004.784.394.78
#FFFFFF4.781.0021.001.00
#0000004.3921.001.0021.00
##FFFFFF4.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#86772B
Deuteranopia (green-blind)
#7A6F3A
Tritanopia (blue-blind)
#008172
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #1b8433;
/* rgb */ color: rgb(27, 132, 51);
/* oklch */ color: oklch(53.8% 0.150 146.6);
Tailwind
colors: {
  custom: {
    50: '#6aa96d',
    500: '#1b8433',
    950: '#000000',
  },
}
SCSS
$custom: #1b8433;
$custom-light: #6aa96d;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8433",
  "rgb": {
    "r": 27,
    "g": 132,
    "b": 51
  },
  "hsl": {
    "h": 133.714,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.53827,
    "c": 0.14981,
    "h": 146.6
  },
  "luminance": 0.16975
}

Semantic roles & 50–950 ramp

primary
#1B8433
secondary
#B7439D
accent
#3FC2E9
background
#F6FAF6
surface
#ECF4EC
border
#C7CEC7
text
#081007
muted
#7A7F7A

Preview Lab

Preview with #1B8433

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8433 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva