#B5D43B#B5D43B

#B5D43B is a light, vivid yellow-green. Relative luminance 0.572; OKLCH L 82.0% C 0.175 H 120.5°. Best body text is #000000 at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#B5D43B
RGB	rgb(181, 212, 59)
HSL	hsl(72, 64%, 53%)
HSV	hsv(72, 72%, 83%)
CMYK	cmyk(14.6%, 0%, 72.2%, 16.9%)
CIE-LAB	lab(80.31, -30.12, 67.83)
CIE-LCH	lch(80.31, 74.21, 113.95°)
OKLab	oklab(81.99% -0.0889 0.1508)
OKLCH	oklch(81.99% 0.175 120.5)
XYZ	xyz(43.3897, 57.2266, 12.8968)
Luminance	0.5723 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5D43B #5A3BD4

analogous

#D4A63B #B5D43B #68D43B

triadic

#B5D43B #3BB5D4 #D43BB5

tetradic

#B5D43B #3BD4A6 #5A3BD4 #D43B68

square

#B5D43B #3BD4A6 #5A3BD4 #D43B68

split-complementary

#B5D43B #3B68D4 #A63BD4

monochromatic

#677A1B #91AC26 #B5D43B #C8DF6D #DBEA9F

Accessibility & contrast

On white

1.69

#B5D43B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.45

#B5D43B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5D43B

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5D43B	#FFFFFF	#000000	##000000
##B5D43B	1.00	1.69	12.45	12.45
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.45	21.00	1.00	1.00
##000000	12.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C81D

Deuteranopia (green-blind)

#DDC748

Tritanopia (blue-blind)

#BFC9B7

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b5d43b;
/* rgb */ color: rgb(181, 212, 59);
/* oklch */ color: oklch(82.0% 0.175 120.5);

Tailwind

colors: {
  custom: {
    50: '#cfe17b',
    500: '#b5d43b',
    950: '#000000',
  },
}

SCSS

$custom: #b5d43b;
$custom-light: #cfe17b;
$custom-dark: #000000;

JSON

{
  "hex": "#b5d43b",
  "rgb": {
    "r": 181,
    "g": 212,
    "b": 59
  },
  "hsl": {
    "h": 72.157,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.81995,
    "c": 0.17505,
    "h": 120.5
  },
  "luminance": 0.57226
}

Semantic roles & 50–950 ramp

primary

#B5D43B

secondary

#423182

accent

#41E762

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B5D43B

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

Preview Lab → · Contrast checker → · Palette generator →