#B3D73A#B3D73A

#B3D73A is a very light, vivid yellow-green. Relative luminance 0.585; OKLCH L 82.5% C 0.180 H 121.9°. Best body text is #000000 at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#B3D73A
RGB	rgb(179, 215, 58)
HSL	hsl(74, 66%, 54%)
HSV	hsv(74, 73%, 84%)
CMYK	cmyk(16.7%, 0%, 73%, 15.7%)
CIE-LAB	lab(81.01, -32.37, 68.80)
CIE-LCH	lch(81.01, 76.03, 115.20°)
OKLab	oklab(82.53% -0.0951 0.1527)
OKLCH	oklch(82.53% 0.18 121.9)
XYZ	xyz(43.6552, 58.4900, 12.9920)
Luminance	0.5849 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3D73A #5E3AD7

analogous

#D7AC3A #B3D73A #64D73A

triadic

#B3D73A #3AB3D7 #D73AB3

tetradic

#B3D73A #3AD7AC #5E3AD7 #D73A64

square

#B3D73A #3AD7AC #5E3AD7 #D73A64

split-complementary

#B3D73A #3A64D7 #AC3AD7

monochromatic

#667D19 #90B024 #B3D73A #C7E16D #DAECA0

Accessibility & contrast

On white

1.65

#B3D73A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.70

#B3D73A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3D73A

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3D73A	#FFFFFF	#000000	##000000
##B3D73A	1.00	1.65	12.70	12.70
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.70	21.00	1.00	1.00
##000000	12.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CA1A

Deuteranopia (green-blind)

#DFC948

Tritanopia (blue-blind)

#BDCCB9

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #b3d73a;
/* rgb */ color: rgb(179, 215, 58);
/* oklch */ color: oklch(82.5% 0.180 121.9);

Tailwind

colors: {
  custom: {
    50: '#cde37b',
    500: '#b3d73a',
    950: '#000000',
  },
}

SCSS

$custom: #b3d73a;
$custom-light: #cde37b;
$custom-dark: #000000;

JSON

{
  "hex": "#b3d73a",
  "rgb": {
    "r": 179,
    "g": 215,
    "b": 58
  },
  "hsl": {
    "h": 73.758,
    "s": 66.245,
    "l": 53.529
  },
  "oklch": {
    "l": 0.82526,
    "c": 0.17989,
    "h": 121.9
  },
  "luminance": 0.5849
}

Semantic roles & 50–950 ramp

primary

#B3D73A

secondary

#443185

accent

#3FE966

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B3D73A

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

Preview Lab → · Contrast checker → · Palette generator →