#91CF40#91CF40

#91CF40 is a light, vivid yellow-green. Relative luminance 0.510; OKLCH L 78.5% C 0.182 H 130.1°. Best body text is #000000 at 11.20:1 contrast (WCAG AA passes).

Color values

HEX#91CF40
RGBrgb(145, 207, 64)
HSLhsl(86, 60%, 53%)
HSVhsv(86, 69%, 81%)
CMYKcmyk(30%, 0%, 69.1%, 18.8%)
CIE-LABlab(76.69, -41.42, 61.69)
CIE-LCHlch(76.69, 74.31, 123.88°)
OKLaboklab(78.5% -0.1174 0.1395)
OKLCHoklch(78.5% 0.182 130.1)
XYZxyz(34.9151, 51.0145, 12.8567)
Luminance0.5102 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#91CF40 #7E40CF
analogous
#CFC640 #91CF40 #49CF40
triadic
#91CF40 #4091CF #CF4091
tetradic
#91CF40 #40CFC6 #7E40CF #CF4049
square
#91CF40 #40CFC6 #7E40CF #CF4049
split-complementary
#91CF40 #4049CF #C640CF
monochromatic
#50771E #71A82A #91CF40 #ADDB71 #C9E8A2

Accessibility & contrast

On white

1.87
#91CF40 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.20
#91CF40 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91CF40
11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##91CF40#FFFFFF#000000##000000
##91CF401.001.8711.2011.20
#FFFFFF1.871.0021.0021.00
#00000011.2021.001.001.00
##00000011.2021.001.001.00

Color blindness preview

Protanopia (red-blind)
#D8C02A
Deuteranopia (green-blind)
#D0BC4C
Tritanopia (blue-blind)
#95C6B3
Achromatopsia (no color)
#BDBDBD

Design tokens & code

CSS
--color: #91cf40;
/* rgb */ color: rgb(145, 207, 64);
/* oklch */ color: oklch(78.5% 0.182 130.1);
Tailwind
colors: {
  custom: {
    50: '#b5de7d',
    500: '#91cf40',
    950: '#000000',
  },
}
SCSS
$custom: #91cf40;
$custom-light: #b5de7d;
$custom-dark: #000000;
JSON
{
  "hex": "#91cf40",
  "rgb": {
    "r": 145,
    "g": 207,
    "b": 64
  },
  "hsl": {
    "h": 86.014,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.78501,
    "c": 0.18229,
    "h": 130.1
  },
  "luminance": 0.51016
}

Semantic roles & 50–950 ramp

primary
#91CF40
secondary
#55347F
accent
#45E389
background
#FDFEFB
surface
#F8FCF2
border
#D1D5CC
text
#12150A
muted
#82847D

Preview Lab

Preview with #91CF40

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

Preview Lab → · Contrast checker → · Palette generator →

#91CF40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva