#B5D73A#B5D73A

#B5D73A is a very light, vivid yellow-green. Relative luminance 0.587; OKLCH L 82.7% C 0.179 H 121.3°. Best body text is #000000 at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#B5D73A
RGB	rgb(181, 215, 58)
HSL	hsl(73, 66%, 54%)
HSV	hsv(73, 73%, 84%)
CMYK	cmyk(15.8%, 0%, 73%, 15.7%)
CIE-LAB	lab(81.14, -31.58, 68.97)
CIE-LCH	lch(81.14, 75.86, 114.60°)
OKLab	oklab(82.67% -0.093 0.153)
OKLCH	oklch(82.67% 0.179 121.3)
XYZ	xyz(44.1209, 58.7301, 13.0138)
Luminance	0.5873 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5D73A #5C3AD7

analogous

#D7AB3A #B5D73A #66D73A

triadic

#B5D73A #3AB5D7 #D73AB5

tetradic

#B5D73A #3AD7AB #5C3AD7 #D73A66

square

#B5D73A #3AD7AB #5C3AD7 #D73A66

split-complementary

#B5D73A #3A66D7 #AB3AD7

monochromatic

#687D19 #92B024 #B5D73A #C8E16D #DBECA0

Accessibility & contrast

On white

1.65

#B5D73A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.75

#B5D73A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5D73A

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5D73A	#FFFFFF	#000000	##000000
##B5D73A	1.00	1.65	12.75	12.75
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.75	21.00	1.00	1.00
##000000	12.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CA19

Deuteranopia (green-blind)

#E0CA48

Tritanopia (blue-blind)

#BFCCB9

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #b5d73a;
/* rgb */ color: rgb(181, 215, 58);
/* oklch */ color: oklch(82.7% 0.179 121.3);

Tailwind

colors: {
  custom: {
    50: '#cfe37b',
    500: '#b5d73a',
    950: '#000000',
  },
}

SCSS

$custom: #b5d73a;
$custom-light: #cfe37b;
$custom-dark: #000000;

JSON

{
  "hex": "#b5d73a",
  "rgb": {
    "r": 181,
    "g": 215,
    "b": 58
  },
  "hsl": {
    "h": 72.994,
    "s": 66.245,
    "l": 53.529
  },
  "oklch": {
    "l": 0.82667,
    "c": 0.17908,
    "h": 121.3
  },
  "luminance": 0.5873
}

Semantic roles & 50–950 ramp

primary

#B5D73A

secondary

#433185

accent

#3FE964

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B5D73A

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

Preview Lab → · Contrast checker → · Palette generator →