#B4D43B#B4D43B

#B4D43B is a light, vivid yellow-green. Relative luminance 0.571; OKLCH L 81.9% C 0.175 H 120.8°. Best body text is #000000 at 12.42:1 contrast (WCAG AA passes).

Color values

HEX#B4D43B
RGBrgb(180, 212, 59)
HSLhsl(73, 64%, 53%)
HSVhsv(73, 72%, 83%)
CMYKcmyk(15.1%, 0%, 72.2%, 16.9%)
CIE-LABlab(80.24, -30.52, 67.74)
CIE-LCHlch(80.24, 74.30, 114.26°)
OKLaboklab(81.92% -0.09 0.1506)
OKLCHoklch(81.92% 0.175 120.8)
XYZxyz(43.1560, 57.1061, 12.8859)
Luminance0.5711 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B4D43B #5B3BD4
analogous
#D4A73B #B4D43B #67D43B
triadic
#B4D43B #3BB4D4 #D43BB4
tetradic
#B4D43B #3BD4A7 #5B3BD4 #D43B67
square
#B4D43B #3BD4A7 #5B3BD4 #D43B67
split-complementary
#B4D43B #3B67D4 #A73BD4
monochromatic
#667A1B #90AC26 #B4D43B #C7DF6D #DAEA9F

Accessibility & contrast

On white

1.69
#B4D43B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.42
#B4D43B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D43B
12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B4D43B#FFFFFF#000000##000000
##B4D43B1.001.6912.4212.42
#FFFFFF1.691.0021.0021.00
#00000012.4221.001.001.00
##00000012.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1C71D
Deuteranopia (green-blind)
#DDC748
Tritanopia (blue-blind)
#BEC9B6
Achromatopsia (no color)
#C7C7C7

Design tokens & code

CSS
--color: #b4d43b;
/* rgb */ color: rgb(180, 212, 59);
/* oklch */ color: oklch(81.9% 0.175 120.8);
Tailwind
colors: {
  custom: {
    50: '#cee17b',
    500: '#b4d43b',
    950: '#000000',
  },
}
SCSS
$custom: #b4d43b;
$custom-light: #cee17b;
$custom-dark: #000000;
JSON
{
  "hex": "#b4d43b",
  "rgb": {
    "r": 180,
    "g": 212,
    "b": 59
  },
  "hsl": {
    "h": 72.549,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.81923,
    "c": 0.17545,
    "h": 120.8
  },
  "luminance": 0.57106
}

Semantic roles & 50–950 ramp

primary
#B4D43B
secondary
#423182
accent
#41E764
background
#FEFEFB
surface
#FBFCF2
border
#D4D5CC
text
#14150A
muted
#83847D

Preview Lab

Preview with #B4D43B

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

Preview Lab → · Contrast checker → · Palette generator →

#B4D43B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva