#91F251#91F251

#91F251 is a very light, highly saturated yellow-green. Relative luminance 0.701; OKLCH L 87.0% C 0.214 H 135.3°. Best body text is #000000 at 15.02:1 contrast (WCAG AA passes).

Color values

HEX#91F251
RGBrgb(145, 242, 81)
HSLhsl(96, 86%, 63%)
HSVhsv(96, 67%, 95%)
CMYKcmyk(40.1%, 0%, 66.5%, 5.1%)
CIE-LABlab(87.05, -54.75, 66.01)
CIE-LCHlch(87.05, 85.76, 129.67°)
OKLaboklab(87% -0.1524 0.1508)
OKLCHoklch(87% 0.214 135.3)
XYZxyz(44.9133, 70.1157, 18.9501)
Luminance0.7012 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#91F251 #B251F2
analogous
#E1F251 #91F251 #51F261
triadic
#91F251 #5191F2 #F25191
tetradic
#91F251 #51E1F2 #B251F2 #F26151
square
#91F251 #51E1F2 #B251F2 #F26151
split-complementary
#91F251 #6151F2 #F251E1
monochromatic
#53BB0E #6DEE18 #91F251 #B5F68A #D9FBC3

Accessibility & contrast

On white

1.40
#91F251 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.02
#91F251 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91F251
15.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##91F251#FFFFFF#000000##000000
##91F2511.001.4015.0215.02
#FFFFFF1.401.0021.0021.00
#00000015.0221.001.001.00
##00000015.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#FBDF3A
Deuteranopia (green-blind)
#EDD75F
Tritanopia (blue-blind)
#8FE9D1
Achromatopsia (no color)
#DADADA

Design tokens & code

CSS
--color: #91f251;
/* rgb */ color: rgb(145, 242, 81);
/* oklch */ color: oklch(87.0% 0.214 135.3);
Tailwind
colors: {
  custom: {
    50: '#b8f789',
    500: '#91f251',
    950: '#000000',
  },
}
SCSS
$custom: #91f251;
$custom-light: #b8f789;
$custom-dark: #000000;
JSON
{
  "hex": "#91f251",
  "rgb": {
    "r": 145,
    "g": 242,
    "b": 81
  },
  "hsl": {
    "h": 96.149,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.86998,
    "c": 0.21437,
    "h": 135.3
  },
  "luminance": 0.70118
}

Semantic roles & 50–950 ramp

primary
#91F251
secondary
#822EB9
accent
#03E38A
background
#FDFFFC
surface
#F9FFF4
border
#D2D7CE
text
#12170C
muted
#82857F

Preview Lab

Preview with #91F251

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

Preview Lab → · Contrast checker → · Palette generator →

#91F251 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva