#B3D43B#B3D43B

#B3D43B is a light, vivid yellow-green. Relative luminance 0.570; OKLCH L 81.9% C 0.176 H 121.2°. Best body text is #000000 at 12.40:1 contrast (WCAG AA passes).

Color values

HEX#B3D43B
RGBrgb(179, 212, 59)
HSLhsl(73, 64%, 53%)
HSVhsv(73, 72%, 83%)
CMYKcmyk(15.6%, 0%, 72.2%, 16.9%)
CIE-LABlab(80.17, -30.92, 67.65)
CIE-LCHlch(80.17, 74.38, 114.57°)
OKLaboklab(81.85% -0.091 0.1505)
OKLCHoklch(81.85% 0.176 121.2)
XYZxyz(42.9240, 56.9865, 12.8750)
Luminance0.5699 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B3D43B #5C3BD4
analogous
#D4A83B #B3D43B #66D43B
triadic
#B3D43B #3BB3D4 #D43BB3
tetradic
#B3D43B #3BD4A8 #5C3BD4 #D43B66
square
#B3D43B #3BD4A8 #5C3BD4 #D43B66
split-complementary
#B3D43B #3B66D4 #A83BD4
monochromatic
#657A1B #8FAC26 #B3D43B #C6DF6D #DAEA9F

Accessibility & contrast

On white

1.69
#B3D43B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.40
#B3D43B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3D43B
12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B3D43B#FFFFFF#000000##000000
##B3D43B1.001.6912.4012.40
#FFFFFF1.691.0021.0021.00
#00000012.4021.001.001.00
##00000012.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1C71D
Deuteranopia (green-blind)
#DDC748
Tritanopia (blue-blind)
#BDC9B6
Achromatopsia (no color)
#C7C7C7

Design tokens & code

CSS
--color: #b3d43b;
/* rgb */ color: rgb(179, 212, 59);
/* oklch */ color: oklch(81.9% 0.176 121.2);
Tailwind
colors: {
  custom: {
    50: '#cde17b',
    500: '#b3d43b',
    950: '#000000',
  },
}
SCSS
$custom: #b3d43b;
$custom-light: #cde17b;
$custom-dark: #000000;
JSON
{
  "hex": "#b3d43b",
  "rgb": {
    "r": 179,
    "g": 212,
    "b": 59
  },
  "hsl": {
    "h": 72.941,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.81852,
    "c": 0.17585,
    "h": 121.2
  },
  "luminance": 0.56986
}

Semantic roles & 50–950 ramp

primary
#B3D43B
secondary
#433182
accent
#41E765
background
#FEFEFB
surface
#FBFCF2
border
#D4D5CC
text
#14150A
muted
#83847D

Preview Lab

Preview with #B3D43B

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

Preview Lab → · Contrast checker → · Palette generator →

#B3D43B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva