#B1D83F#B1D83F

#B1D83F is a very light, vivid yellow-green. Relative luminance 0.588; OKLCH L 82.6% C 0.179 H 122.9°. Best body text is #000000 at 12.76:1 contrast (WCAG AA passes).

Color values

HEX#B1D83F
RGBrgb(177, 216, 63)
HSLhsl(75, 66%, 55%)
HSVhsv(75, 71%, 85%)
CMYKcmyk(18.1%, 0%, 70.8%, 15.3%)
CIE-LABlab(81.19, -33.36, 67.21)
CIE-LCHlch(81.19, 75.03, 116.40°)
OKLaboklab(82.65% -0.0972 0.1502)
OKLCHoklch(82.65% 0.179 122.9)
XYZxyz(43.5851, 58.8175, 13.7584)
Luminance0.5882 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1D83F #663FD8
analogous
#D8B33F #B1D83F #65D83F
triadic
#B1D83F #3FB1D8 #D83FB1
tetradic
#B1D83F #3FD8B3 #663FD8 #D83F65
square
#B1D83F #3FD8B3 #663FD8 #D83F65
split-complementary
#B1D83F #3F65D8 #B33FD8
monochromatic
#68821A #90B525 #B1D83F #C6E272 #DAEDA5

Accessibility & contrast

On white

1.65
#B1D83F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.76
#B1D83F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D83F
12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1D83F#FFFFFF#000000##000000
##B1D83F1.001.6512.7612.76
#FFFFFF1.651.0021.0021.00
#00000012.7621.001.001.00
##00000012.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#E4CB24
Deuteranopia (green-blind)
#DFC94C
Tritanopia (blue-blind)
#BACDBA
Achromatopsia (no color)
#CACACA

Design tokens & code

CSS
--color: #b1d83f;
/* rgb */ color: rgb(177, 216, 63);
/* oklch */ color: oklch(82.6% 0.179 122.9);
Tailwind
colors: {
  custom: {
    50: '#cce47e',
    500: '#b1d83f',
    950: '#000000',
  },
}
SCSS
$custom: #b1d83f;
$custom-light: #cce47e;
$custom-dark: #000000;
JSON
{
  "hex": "#b1d83f",
  "rgb": {
    "r": 177,
    "g": 216,
    "b": 63
  },
  "hsl": {
    "h": 75.294,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.82648,
    "c": 0.17895,
    "h": 122.9
  },
  "luminance": 0.58818
}

Semantic roles & 50–950 ramp

primary
#B1D83F
secondary
#483289
accent
#3FE96A
background
#FEFEFB
surface
#FBFCF2
border
#D4D5CC
text
#14150A
muted
#83847D

Preview Lab

Preview with #B1D83F

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

Preview Lab → · Contrast checker → · Palette generator →

#B1D83F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva