#91B31B#91B31B

#91B31B is a light, vivid yellow-green. Relative luminance 0.383; OKLCH L 71.6% C 0.168 H 122.6°. Best body text is #000000 at 8.67:1 contrast (WCAG AA passes).

Color values

HEX#91B31B
RGBrgb(145, 179, 27)
HSLhsl(73, 74%, 40%)
HSVhsv(73, 85%, 70%)
CMYKcmyk(19%, 0%, 84.9%, 29.8%)
CIE-LABlab(68.27, -30.56, 65.32)
CIE-LCHlch(68.27, 72.11, 115.07°)
OKLaboklab(71.61% -0.0905 0.1414)
OKLCHoklch(71.61% 0.168 122.6)
XYZxyz(27.9954, 38.3390, 6.9620)
Luminance0.3834 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#91B31B #3D1BB3
analogous
#B3891B #91B31B #45B31B
triadic
#91B31B #1B91B3 #B31B91
tetradic
#91B31B #1BB389 #3D1BB3 #B31B45
square
#91B31B #1BB389 #3D1BB3 #B31B45
split-complementary
#91B31B #1B45B3 #891BB3
monochromatic
#3B490B #667E13 #91B31B #B7DF2C #C9E761

Accessibility & contrast

On white

2.42
#91B31B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.67
#91B31B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91B31B
8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##91B31B#FFFFFF#000000##000000
##91B31B1.002.428.678.67
#FFFFFF2.421.0021.0021.00
#0000008.6721.001.001.00
##0000008.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#BEA700
Deuteranopia (green-blind)
#BAA62D
Tritanopia (blue-blind)
#99A999
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #91b31b;
/* rgb */ color: rgb(145, 179, 27);
/* oklch */ color: oklch(71.6% 0.168 122.6);
Tailwind
colors: {
  custom: {
    50: '#b5c969',
    500: '#91b31b',
    950: '#000000',
  },
}
SCSS
$custom: #91b31b;
$custom-light: #b5c969;
$custom-dark: #000000;
JSON
{
  "hex": "#91b31b",
  "rgb": {
    "r": 145,
    "g": 179,
    "b": 27
  },
  "hsl": {
    "h": 73.421,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.7161,
    "c": 0.16783,
    "h": 122.6
  },
  "luminance": 0.38339
}

Semantic roles & 50–950 ramp

primary
#91B31B
secondary
#775ECC
accent
#37F061
background
#FBFCF6
surface
#F6F8EC
border
#D0D1C7
text
#121307
muted
#81827A

Preview Lab

Preview with #91B31B

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

Preview Lab → · Contrast checker → · Palette generator →

#91B31B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva