#B1E43F#B1E43F

#B1E43F is a very light, vivid yellow-green. Relative luminance 0.652; OKLCH L 85.4% C 0.193 H 125.5°. Best body text is #000000 at 14.04:1 contrast (WCAG AA passes).

Color values

HEX#B1E43F
RGBrgb(177, 228, 63)
HSLhsl(79, 75%, 57%)
HSVhsv(79, 72%, 89%)
CMYKcmyk(22.4%, 0%, 72.4%, 10.6%)
CIE-LABlab(84.58, -38.80, 70.54)
CIE-LCHlch(84.58, 80.50, 118.81°)
OKLaboklab(85.39% -0.1122 0.1572)
OKLCHoklch(85.39% 0.193 125.5)
XYZxyz(46.7724, 65.1922, 14.8208)
Luminance0.6519 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1E43F #723FE4
analogous
#E4C43F #B1E43F #5FE43F
triadic
#B1E43F #3FB1E4 #E43FB1
tetradic
#B1E43F #3FE4C4 #723FE4 #E43F5F
square
#B1E43F #3FE4C4 #723FE4 #E43F5F
split-complementary
#B1E43F #3F5FE4 #C43FE4
monochromatic
#6D9415 #94C91C #B1E43F #C7EC75 #DDF3AA

Accessibility & contrast

On white

1.50
#B1E43F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.04
#B1E43F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E43F
14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1E43F#FFFFFF#000000##000000
##B1E43F1.001.5014.0414.04
#FFFFFF1.501.0021.0021.00
#00000014.0421.001.001.00
##00000014.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#F0D51E
Deuteranopia (green-blind)
#E9D24E
Tritanopia (blue-blind)
#B9D9C4
Achromatopsia (no color)
#D3D3D3

Design tokens & code

CSS
--color: #b1e43f;
/* rgb */ color: rgb(177, 228, 63);
/* oklch */ color: oklch(85.4% 0.193 125.5);
Tailwind
colors: {
  custom: {
    50: '#ccec7f',
    500: '#b1e43f',
    950: '#000000',
  },
}
SCSS
$custom: #b1e43f;
$custom-light: #ccec7f;
$custom-dark: #000000;
JSON
{
  "hex": "#b1e43f",
  "rgb": {
    "r": 177,
    "g": 228,
    "b": 63
  },
  "hsl": {
    "h": 78.545,
    "s": 75.342,
    "l": 57.059
  },
  "oklch": {
    "l": 0.85392,
    "c": 0.19313,
    "h": 125.5
  },
  "luminance": 0.65193
}

Semantic roles & 50–950 ramp

primary
#B1E43F
secondary
#502F98
accent
#36F270
background
#FEFEFB
surface
#FBFDF2
border
#D4D5CC
text
#14160B
muted
#83847E

Preview Lab

Preview with #B1E43F

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

Preview Lab → · Contrast checker → · Palette generator →

#B1E43F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva