#B5FB63#B5FB63

#B5FB63 is a very light, vivid yellow-green. Relative luminance 0.797; OKLCH L 91.2% C 0.195 H 130.4°. Best body text is #000000 at 16.94:1 contrast (WCAG AA passes).

Color values

HEX#B5FB63
RGBrgb(181, 251, 99)
HSLhsl(88, 95%, 69%)
HSVhsv(88, 61%, 98%)
CMYKcmyk(27.9%, 0%, 60.6%, 1.6%)
CIE-LABlab(91.56, -44.93, 64.22)
CIE-LCHlch(91.56, 78.37, 124.98°)
OKLaboklab(91.19% -0.1263 0.1486)
OKLCHoklch(91.19% 0.195 130.4)
XYZxyz(55.8049, 79.7174, 24.2488)
Luminance0.7972 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B5FB63 #A963FB
analogous
#FBF563 #B5FB63 #69FB63
triadic
#B5FB63 #63B5FB #FB63B5
tetradic
#B5FB63 #63FBF5 #A963FB #FB6369
square
#B5FB63 #63FBF5 #A963FB #FB6369
split-complementary
#B5FB63 #6369FB #F563FB
monochromatic
#7ADE06 #99F927 #B5FB63 #D1FD9F #EEFEDA

Accessibility & contrast

On white

1.24
#B5FB63 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.94
#B5FB63 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5FB63
16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B5FB63#FFFFFF#000000##000000
##B5FB631.001.2416.9416.94
#FFFFFF1.241.0021.0021.00
#00000016.9421.001.001.00
##00000016.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFEA51
Deuteranopia (green-blind)
#FCE56E
Tritanopia (blue-blind)
#B9F1DB
Achromatopsia (no color)
#E7E7E7

Design tokens & code

CSS
--color: #b5fb63;
/* rgb */ color: rgb(181, 251, 99);
/* oklch */ color: oklch(91.2% 0.195 130.4);
Tailwind
colors: {
  custom: {
    50: '#cffd95',
    500: '#b5fb63',
    950: '#000000',
  },
}
SCSS
$custom: #b5fb63;
$custom-light: #cffd95;
$custom-dark: #000000;
JSON
{
  "hex": "#b5fb63",
  "rgb": {
    "r": 181,
    "g": 251,
    "b": 99
  },
  "hsl": {
    "h": 87.632,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.91191,
    "c": 0.19502,
    "h": 130.4
  },
  "luminance": 0.79719
}

Semantic roles & 50–950 ramp

primary
#B5FB63
secondary
#7A2DD5
accent
#00E66A
background
#FEFFFC
surface
#FBFFF5
border
#D4D7CF
text
#14170E
muted
#83857F

Preview Lab

Preview with #B5FB63

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

Preview Lab → · Contrast checker → · Palette generator →

#B5FB63 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva