#B5CB37#B5CB37

#B5CB37 is a light, vivid yellow. Relative luminance 0.528; OKLCH L 79.9% C 0.167 H 117.8°. Best body text is #000000 at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#B5CB37
RGB	rgb(181, 203, 55)
HSL	hsl(69, 59%, 51%)
HSV	hsv(69, 73%, 80%)
CMYK	cmyk(10.8%, 0%, 72.9%, 20.4%)
CIE-LAB	lab(77.76, -26.05, 66.74)
CIE-LCH	lch(77.76, 71.64, 111.32°)
OKLab	oklab(79.94% -0.078 0.1478)
OKLCH	oklch(79.94% 0.167 117.8)
XYZ	xyz(41.1025, 52.8119, 11.6421)
Luminance	0.5281 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5CB37 #4D37CB

analogous

#CB9737 #B5CB37 #6BCB37

triadic

#B5CB37 #37B5CB #CB37B5

tetradic

#B5CB37 #37CB97 #4D37CB #CB376B

square

#B5CB37 #37CB97 #4D37CB #CB376B

split-complementary

#B5CB37 #376BCB #9737CB

monochromatic

#606C1C #8B9C29 #B5CB37 #C7D868 #D9E498

Accessibility & contrast

On white

1.82

#B5CB37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.56

#B5CB37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5CB37

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5CB37	#FFFFFF	#000000	##000000
##B5CB37	1.00	1.82	11.56	11.56
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.56	21.00	1.00	1.00
##000000	11.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C019

Deuteranopia (green-blind)

#D6C144

Tritanopia (blue-blind)

#C0C0AF

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #b5cb37;
/* rgb */ color: rgb(181, 203, 55);
/* oklch */ color: oklch(79.9% 0.167 117.8);

Tailwind

colors: {
  custom: {
    50: '#cfda78',
    500: '#b5cb37',
    950: '#000000',
  },
}

SCSS

$custom: #b5cb37;
$custom-light: #cfda78;
$custom-dark: #000000;

JSON

{
  "hex": "#b5cb37",
  "rgb": {
    "r": 181,
    "g": 203,
    "b": 55
  },
  "hsl": {
    "h": 68.919,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.7994,
    "c": 0.16715,
    "h": 117.8
  },
  "luminance": 0.52811
}

Semantic roles & 50–950 ramp

primary

#B5CB37

secondary

#3B3175

accent

#46E25D

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B5CB37

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

Preview Lab → · Contrast checker → · Palette generator →