#B4C73A#B4C73A

#B4C73A is a light, vivid yellow. Relative luminance 0.509; OKLCH L 79.0% C 0.161 H 116.9°. Best body text is #000000 at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#B4C73A
RGB	rgb(180, 199, 58)
HSL	hsl(68, 56%, 50%)
HSV	hsv(68, 71%, 78%)
CMYK	cmyk(9.5%, 0%, 70.9%, 22%)
CIE-LAB	lab(76.59, -24.38, 64.53)
CIE-LCH	lch(76.59, 68.98, 110.69°)
OKLab	oklab(78.99% -0.073 0.1437)
OKLCH	oklch(78.99% 0.161 116.9)
XYZ	xyz(40.0105, 50.8561, 11.7106)
Luminance	0.5086 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C73A #4D3AC7

analogous

#C7933A #B4C73A #6DC73A

triadic

#B4C73A #3AB4C7 #C73AB4

tetradic

#B4C73A #3AC793 #4D3AC7 #C73A6D

square

#B4C73A #3AC793 #4D3AC7 #C73A6D

split-complementary

#B4C73A #3A6DC7 #933AC7

monochromatic

#5F691E #8A982B #B4C73A #C6D56A #D8E299

Accessibility & contrast

On white

1.88

#B4C73A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.17

#B4C73A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C73A

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C73A	#FFFFFF	#000000	##000000
##B4C73A	1.00	1.88	11.17	11.17
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.17	21.00	1.00	1.00
##000000	11.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BC21

Deuteranopia (green-blind)

#D3BE45

Tritanopia (blue-blind)

#BFBCAB

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #b4c73a;
/* rgb */ color: rgb(180, 199, 58);
/* oklch */ color: oklch(79.0% 0.161 116.9);

Tailwind

colors: {
  custom: {
    50: '#ced779',
    500: '#b4c73a',
    950: '#000000',
  },
}

SCSS

$custom: #b4c73a;
$custom-light: #ced779;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c73a",
  "rgb": {
    "r": 180,
    "g": 199,
    "b": 58
  },
  "hsl": {
    "h": 68.085,
    "s": 55.731,
    "l": 50.392
  },
  "oklch": {
    "l": 0.78985,
    "c": 0.16122,
    "h": 116.9
  },
  "luminance": 0.50856
}

Semantic roles & 50–950 ramp

primary

#B4C73A

secondary

#3B3273

accent

#49DF5D

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B4C73A

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

Preview Lab → · Contrast checker → · Palette generator →