#91CF3B#91CF3B

#91CF3B is a light, vivid yellow-green. Relative luminance 0.510; OKLCH L 78.5% C 0.185 H 129.8°. Best body text is #000000 at 11.19:1 contrast (WCAG AA passes).

Color values

HEX#91CF3B
RGBrgb(145, 207, 59)
HSLhsl(85, 61%, 52%)
HSVhsv(85, 71%, 81%)
CMYKcmyk(30%, 0%, 71.5%, 18.8%)
CIE-LABlab(76.65, -41.75, 63.49)
CIE-LCHlch(76.65, 75.98, 123.33°)
OKLaboklab(78.46% -0.1187 0.1425)
OKLCHoklch(78.46% 0.185 129.8)
XYZxyz(34.7791, 50.9601, 12.1407)
Luminance0.5096 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#91CF3B #793BCF
analogous
#CFC33B #91CF3B #47CF3B
triadic
#91CF3B #3B91CF #CF3B91
tetradic
#91CF3B #3BCFC3 #793BCF #CF3B47
square
#91CF3B #3BCFC3 #793BCF #CF3B47
split-complementary
#91CF3B #3B47CF #C33BCF
monochromatic
#4F731C #70A528 #91CF3B #ADDB6C #C8E79D

Accessibility & contrast

On white

1.88
#91CF3B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.19
#91CF3B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91CF3B
11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##91CF3B#FFFFFF#000000##000000
##91CF3B1.001.8811.1911.19
#FFFFFF1.881.0021.0021.00
#00000011.1921.001.001.00
##00000011.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#D9C021
Deuteranopia (green-blind)
#D0BC49
Tritanopia (blue-blind)
#95C6B2
Achromatopsia (no color)
#BDBDBD

Design tokens & code

CSS
--color: #91cf3b;
/* rgb */ color: rgb(145, 207, 59);
/* oklch */ color: oklch(78.5% 0.185 129.8);
Tailwind
colors: {
  custom: {
    50: '#b6de7a',
    500: '#91cf3b',
    950: '#000000',
  },
}
SCSS
$custom: #91cf3b;
$custom-light: #b6de7a;
$custom-dark: #000000;
JSON
{
  "hex": "#91cf3b",
  "rgb": {
    "r": 145,
    "g": 207,
    "b": 59
  },
  "hsl": {
    "h": 85.135,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.78464,
    "c": 0.18545,
    "h": 129.8
  },
  "luminance": 0.50961
}

Semantic roles & 50–950 ramp

primary
#91CF3B
secondary
#51327C
accent
#44E487
background
#FDFEFB
surface
#F8FCF2
border
#D1D5CC
text
#12150A
muted
#82847D

Preview Lab

Preview with #91CF3B

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

Preview Lab → · Contrast checker → · Palette generator →

#91CF3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva