#B5CD39#B5CD39

#B5CD39 is a light, vivid yellow. Relative luminance 0.538; OKLCH L 80.4% C 0.168 H 118.5°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#B5CD39
RGB	rgb(181, 205, 57)
HSL	hsl(70, 60%, 51%)
HSV	hsv(70, 72%, 80%)
CMYK	cmyk(11.7%, 0%, 72.2%, 19.6%)
CIE-LAB	lab(78.33, -26.91, 66.60)
CIE-LCH	lch(78.33, 71.83, 112.00°)
OKLab	oklab(80.4% -0.0802 0.1479)
OKLCH	oklch(80.4% 0.168 118.5)
XYZ	xyz(41.6268, 53.7822, 12.0582)
Luminance	0.5378 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5CD39 #5139CD

analogous

#CD9B39 #B5CD39 #6BCD39

triadic

#B5CD39 #39B5CD #CD39B5

tetradic

#B5CD39 #39CD9B #5139CD #CD396B

square

#B5CD39 #39CD9B #5139CD #CD396B

split-complementary

#B5CD39 #396BCD #9B39CD

monochromatic

#626F1C #8DA028 #B5CD39 #C7D96A #DAE69B

Accessibility & contrast

On white

1.79

#B5CD39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.76

#B5CD39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5CD39

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5CD39	#FFFFFF	#000000	##000000
##B5CD39	1.00	1.79	11.76	11.76
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.76	21.00	1.00	1.00
##000000	11.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC21C

Deuteranopia (green-blind)

#D8C246

Tritanopia (blue-blind)

#C0C2B0

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #b5cd39;
/* rgb */ color: rgb(181, 205, 57);
/* oklch */ color: oklch(80.4% 0.168 118.5);

Tailwind

colors: {
  custom: {
    50: '#cfdc79',
    500: '#b5cd39',
    950: '#000000',
  },
}

SCSS

$custom: #b5cd39;
$custom-light: #cfdc79;
$custom-dark: #000000;

JSON

{
  "hex": "#b5cd39",
  "rgb": {
    "r": 181,
    "g": 205,
    "b": 57
  },
  "hsl": {
    "h": 69.73,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.80402,
    "c": 0.16824,
    "h": 118.5
  },
  "luminance": 0.53782
}

Semantic roles & 50–950 ramp

primary

#B5CD39

secondary

#3D3279

accent

#45E35F

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B5CD39

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

Preview Lab → · Contrast checker → · Palette generator →