#B5C73B#B5C73B

#B5C73B is a light, vivid yellow. Relative luminance 0.510; OKLCH L 79.1% C 0.160 H 116.6°. Best body text is #000000 at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#B5C73B
RGB	rgb(181, 199, 59)
HSL	hsl(68, 56%, 51%)
HSV	hsv(68, 70%, 78%)
CMYK	cmyk(9%, 0%, 70.4%, 22%)
CIE-LAB	lab(76.67, -23.91, 64.27)
CIE-LCH	lch(76.67, 68.57, 110.41°)
OKLab	oklab(79.07% -0.0717 0.1433)
OKLCH	oklch(79.07% 0.16 116.6)
XYZ	xyz(40.2699, 50.9869, 11.8569)
Luminance	0.5099 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C73B #4D3BC7

analogous

#C7933B #B5C73B #6FC73B

triadic

#B5C73B #3BB5C7 #C73BB5

tetradic

#B5C73B #3BC793 #4D3BC7 #C73B6F

square

#B5C73B #3BC793 #4D3BC7 #C73B6F

split-complementary

#B5C73B #3B6FC7 #933BC7

monochromatic

#60691E #8B992C #B5C73B #C7D56B #D9E29A

Accessibility & contrast

On white

1.88

#B5C73B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.20

#B5C73B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C73B

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C73B	#FFFFFF	#000000	##000000
##B5C73B	1.00	1.88	11.20	11.20
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.20	21.00	1.00	1.00
##000000	11.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD23

Deuteranopia (green-blind)

#D3BE46

Tritanopia (blue-blind)

#C0BCAC

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #b5c73b;
/* rgb */ color: rgb(181, 199, 59);
/* oklch */ color: oklch(79.1% 0.160 116.6);

Tailwind

colors: {
  custom: {
    50: '#cfd77a',
    500: '#b5c73b',
    950: '#000000',
  },
}

SCSS

$custom: #b5c73b;
$custom-light: #cfd77a;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c73b",
  "rgb": {
    "r": 181,
    "g": 199,
    "b": 59
  },
  "hsl": {
    "h": 67.714,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.79069,
    "c": 0.16025,
    "h": 116.6
  },
  "luminance": 0.50986
}

Semantic roles & 50–950 ramp

primary

#B5C73B

secondary

#3B3373

accent

#49DF5C

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B5C73B

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

Preview Lab → · Contrast checker → · Palette generator →