#B4C73B#B4C73B

#B4C73B is a light, vivid yellow. Relative luminance 0.509; OKLCH L 79.0% C 0.161 H 117.0°. Best body text is #000000 at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#B4C73B
RGB	rgb(180, 199, 59)
HSL	hsl(68, 56%, 51%)
HSV	hsv(68, 70%, 78%)
CMYK	cmyk(9.5%, 0%, 70.4%, 22%)
CIE-LAB	lab(76.60, -24.32, 64.17)
CIE-LCH	lch(76.60, 68.63, 110.76°)
OKLab	oklab(78.99% -0.0728 0.1431)
OKLCH	oklch(78.99% 0.161 117)
XYZ	xyz(40.0362, 50.8664, 11.8459)
Luminance	0.5087 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C73B #4E3BC7

analogous

#C7943B #B4C73B #6EC73B

triadic

#B4C73B #3BB4C7 #C73BB4

tetradic

#B4C73B #3BC794 #4E3BC7 #C73B6E

square

#B4C73B #3BC794 #4E3BC7 #C73B6E

split-complementary

#B4C73B #3B6EC7 #943BC7

monochromatic

#5F691E #8A992C #B4C73B #C6D56B #D8E29A

Accessibility & contrast

On white

1.88

#B4C73B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.17

#B4C73B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C73B

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C73B	#FFFFFF	#000000	##000000
##B4C73B	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)

#D4BC23

Deuteranopia (green-blind)

#D3BE46

Tritanopia (blue-blind)

#BFBCAC

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #b4c73b;
/* rgb */ color: rgb(180, 199, 59);
/* oklch */ color: oklch(79.0% 0.161 117.0);

Tailwind

colors: {
  custom: {
    50: '#ced77a',
    500: '#b4c73b',
    950: '#000000',
  },
}

SCSS

$custom: #b4c73b;
$custom-light: #ced77a;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c73b",
  "rgb": {
    "r": 180,
    "g": 199,
    "b": 59
  },
  "hsl": {
    "h": 68.143,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.78992,
    "c": 0.16058,
    "h": 117
  },
  "luminance": 0.50866
}

Semantic roles & 50–950 ramp

primary

#B4C73B

secondary

#3C3373

accent

#49DF5D

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B4C73B

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

Preview Lab → · Contrast checker → · Palette generator →