#B3CB37#B3CB37

#B3CB37 is a light, vivid yellow. Relative luminance 0.526; OKLCH L 79.8% C 0.168 H 118.5°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#B3CB37
RGB	rgb(179, 203, 55)
HSL	hsl(70, 59%, 51%)
HSV	hsv(70, 73%, 80%)
CMYK	cmyk(11.8%, 0%, 72.9%, 20.4%)
CIE-LAB	lab(77.62, -26.87, 66.55)
CIE-LCH	lch(77.62, 71.77, 111.99°)
OKLab	oklab(79.79% -0.0802 0.1475)
OKLCH	oklch(79.79% 0.168 118.5)
XYZ	xyz(40.6368, 52.5717, 11.6203)
Luminance	0.5257 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3CB37 #4F37CB

analogous

#CB9937 #B3CB37 #69CB37

triadic

#B3CB37 #37B3CB #CB37B3

tetradic

#B3CB37 #37CB99 #4F37CB #CB3769

square

#B3CB37 #37CB99 #4F37CB #CB3769

split-complementary

#B3CB37 #3769CB #9937CB

monochromatic

#5F6C1C #899C29 #B3CB37 #C5D868 #D8E498

Accessibility & contrast

On white

1.82

#B3CB37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.51

#B3CB37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3CB37

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3CB37	#FFFFFF	#000000	##000000
##B3CB37	1.00	1.82	11.51	11.51
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.51	21.00	1.00	1.00
##000000	11.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C019

Deuteranopia (green-blind)

#D6C044

Tritanopia (blue-blind)

#BEC0AF

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #b3cb37;
/* rgb */ color: rgb(179, 203, 55);
/* oklch */ color: oklch(79.8% 0.168 118.5);

Tailwind

colors: {
  custom: {
    50: '#cdda78',
    500: '#b3cb37',
    950: '#000000',
  },
}

SCSS

$custom: #b3cb37;
$custom-light: #cdda78;
$custom-dark: #000000;

JSON

{
  "hex": "#b3cb37",
  "rgb": {
    "r": 179,
    "g": 203,
    "b": 55
  },
  "hsl": {
    "h": 69.73,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.79789,
    "c": 0.16788,
    "h": 118.5
  },
  "luminance": 0.52571
}

Semantic roles & 50–950 ramp

primary

#B3CB37

secondary

#3C3175

accent

#46E25F

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#14140A

muted

#83837D

Preview Lab

Preview with #B3CB37

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

Preview Lab → · Contrast checker → · Palette generator →