#BBCB37#BBCB37

#BBCB37 is a light, vivid yellow. Relative luminance 0.536; OKLCH L 80.4% C 0.165 H 115.6°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#BBCB37
RGB	rgb(187, 203, 55)
HSL	hsl(66, 59%, 51%)
HSV	hsv(66, 73%, 80%)
CMYK	cmyk(7.9%, 0%, 72.9%, 20.4%)
CIE-LAB	lab(78.20, -23.57, 67.31)
CIE-LCH	lch(78.20, 71.31, 109.30°)
OKLab	oklab(80.4% -0.0715 0.1489)
OKLCH	oklch(80.4% 0.165 115.6)
XYZ	xyz(42.5402, 53.5532, 11.7095)
Luminance	0.5355 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBCB37 #4737CB

analogous

#CB9137 #BBCB37 #71CB37

triadic

#BBCB37 #37BBCB #CB37BB

tetradic

#BBCB37 #37CB91 #4737CB #CB3771

square

#BBCB37 #37CB91 #4737CB #CB3771

split-complementary

#BBCB37 #3771CB #9137CB

monochromatic

#636C1C #909C29 #BBCB37 #CCD868 #DCE498

Accessibility & contrast

On white

1.79

#BBCB37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#BBCB37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBCB37

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBCB37	#FFFFFF	#000000	##000000
##BBCB37	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C119

Deuteranopia (green-blind)

#D8C343

Tritanopia (blue-blind)

#C7BFAF

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #bbcb37;
/* rgb */ color: rgb(187, 203, 55);
/* oklch */ color: oklch(80.4% 0.165 115.6);

Tailwind

colors: {
  custom: {
    50: '#d3da78',
    500: '#bbcb37',
    950: '#000000',
  },
}

SCSS

$custom: #bbcb37;
$custom-light: #d3da78;
$custom-dark: #000000;

JSON

{
  "hex": "#bbcb37",
  "rgb": {
    "r": 187,
    "g": 203,
    "b": 55
  },
  "hsl": {
    "h": 66.486,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.804,
    "c": 0.16513,
    "h": 115.6
  },
  "luminance": 0.53553
}

Semantic roles & 50–950 ramp

primary

#BBCB37

secondary

#383175

accent

#46E257

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#15140A

muted

#84837D

Preview Lab

Preview with #BBCB37

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

Preview Lab → · Contrast checker → · Palette generator →