#1B9931#1B9931

#1B9931 is a mid, vivid green. Relative luminance 0.232; OKLCH L 59.7% C 0.177 H 145.1°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX#1B9931
RGBrgb(27, 153, 49)
HSLhsl(130, 70%, 35%)
HSVhsv(130, 82%, 60%)
CMYKcmyk(82.4%, 0%, 68%, 40%)
CIE-LABlab(55.31, -53.82, 43.85)
CIE-LCHlch(55.31, 69.43, 140.83°)
OKLaboklab(59.71% -0.1451 0.1013)
OKLCHoklch(59.71% 0.177 145.1)
XYZxyz(12.3967, 23.2357, 6.7367)
Luminance0.2324 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9931 #991B83
analogous
#44991B #1B9931 #1B9970
triadic
#1B9931 #311B99 #99311B
tetradic
#1B9931 #1B4499 #991B83 #99701B
square
#1B9931 #1B4499 #991B83 #99701B
split-complementary
#1B9931 #701B99 #991B44
monochromatic
#093110 #126520 #1B9931 #24CD42 #4FE068

Accessibility & contrast

On white

3.72
#1B9931 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.65
#1B9931 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9931
5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9931#FFFFFF#000000##000000
##1B99311.003.725.655.65
#FFFFFF3.721.0021.0021.00
#0000005.6521.001.001.00
##0000005.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#9C8A23
Deuteranopia (green-blind)
#8E813B
Tritanopia (blue-blind)
#009584
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #1b9931;
/* rgb */ color: rgb(27, 153, 49);
/* oklch */ color: oklch(59.7% 0.177 145.1);
Tailwind
colors: {
  custom: {
    50: '#70b86e',
    500: '#1b9931',
    950: '#000000',
  },
}
SCSS
$custom: #1b9931;
$custom-light: #70b86e;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9931",
  "rgb": {
    "r": 27,
    "g": 153,
    "b": 49
  },
  "hsl": {
    "h": 130.476,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.59707,
    "c": 0.17699,
    "h": 145.1
  },
  "luminance": 0.23237
}

Semantic roles & 50–950 ramp

primary
#1B9931
secondary
#C24EAE
accent
#3BCEED
background
#F7FBF6
surface
#EDF6EC
border
#C8D0C7
text
#091107
muted
#7B807A

Preview Lab

Preview with #1B9931

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9931 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva