#91CB40#91CB40

#91CB40 is a light, vivid yellow-green. Relative luminance 0.491; OKLCH L 77.5% C 0.177 H 129.4°. Best body text is #000000 at 10.82:1 contrast (WCAG AA passes).

Color values

HEX#91CB40
RGBrgb(145, 203, 64)
HSLhsl(85, 57%, 52%)
HSVhsv(85, 68%, 80%)
CMYKcmyk(28.6%, 0%, 68.5%, 20.4%)
CIE-LABlab(75.51, -39.67, 60.48)
CIE-LCHlch(75.51, 72.33, 123.26°)
OKLaboklab(77.55% -0.1126 0.1369)
OKLCHoklch(77.55% 0.177 129.4)
XYZxyz(33.9583, 49.1009, 12.5378)
Luminance0.4910 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#91CB40 #7A40CB
analogous
#CBC040 #91CB40 #4BCB40
triadic
#91CB40 #4091CB #CB4091
tetradic
#91CB40 #40CBC0 #7A40CB #CB404B
square
#91CB40 #40CBC0 #7A40CB #CB404B
split-complementary
#91CB40 #404BCB #C040CB
monochromatic
#4F721F #71A22C #91CB40 #ADD870 #C8E5A0

Accessibility & contrast

On white

1.94
#91CB40 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.82
#91CB40 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91CB40
10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##91CB40#FFFFFF#000000##000000
##91CB401.001.9410.8210.82
#FFFFFF1.941.0021.0021.00
#00000010.8221.001.001.00
##00000010.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#D4BD2B
Deuteranopia (green-blind)
#CCB94C
Tritanopia (blue-blind)
#95C2AF
Achromatopsia (no color)
#BABABA

Design tokens & code

CSS
--color: #91cb40;
/* rgb */ color: rgb(145, 203, 64);
/* oklch */ color: oklch(77.5% 0.177 129.4);
Tailwind
colors: {
  custom: {
    50: '#b5db7c',
    500: '#91cb40',
    950: '#000000',
  },
}
SCSS
$custom: #91cb40;
$custom-light: #b5db7c;
$custom-dark: #000000;
JSON
{
  "hex": "#91cb40",
  "rgb": {
    "r": 145,
    "g": 203,
    "b": 64
  },
  "hsl": {
    "h": 85.036,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.77547,
    "c": 0.17727,
    "h": 129.4
  },
  "luminance": 0.49102
}

Semantic roles & 50–950 ramp

primary
#91CB40
secondary
#AE95D2
accent
#47E087
background
#FBFDF7
surface
#F6FBEE
border
#D0D4C9
text
#12150A
muted
#81837C

Preview Lab

Preview with #91CB40

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

Preview Lab → · Contrast checker → · Palette generator →

#91CB40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva