#BBC91B#BBC91B

#BBC91B is a light, vivid yellow. Relative luminance 0.524; OKLCH L 79.8% C 0.175 H 114.8°. Best body text is #000000 at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#BBC91B
RGB	rgb(187, 201, 27)
HSL	hsl(65, 76%, 45%)
HSV	hsv(65, 87%, 79%)
CMYK	cmyk(7%, 0%, 86.6%, 21.2%)
CIE-LAB	lab(77.53, -23.58, 74.25)
CIE-LCH	lch(77.53, 77.91, 107.62°)
OKLab	oklab(79.83% -0.0735 0.1591)
OKLCH	oklch(79.83% 0.175 114.8)
XYZ	xyz(41.5793, 52.4180, 8.9641)
Luminance	0.5242 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBC91B #291BC9

analogous

#C9801B #BBC91B #64C91B

triadic

#BBC91B #1BBBC9 #C91BBB

tetradic

#BBC91B #1BC980 #291BC9 #C91B64

square

#BBC91B #1BC980 #291BC9 #C91B64

split-complementary

#BBC91B #1B64C9 #801BC9

monochromatic

#575D0D #899314 #BBC91B #D7E53C #E2EC72

Accessibility & contrast

On white

1.83

#BBC91B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.48

#BBC91B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBC91B

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBC91B	#FFFFFF	#000000	##000000
##BBC91B	1.00	1.83	11.48	11.48
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.48	21.00	1.00	1.00
##000000	11.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BE00

Deuteranopia (green-blind)

#D7C130

Tritanopia (blue-blind)

#C8BDAB

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #bbc91b;
/* rgb */ color: rgb(187, 201, 27);
/* oklch */ color: oklch(79.8% 0.175 114.8);

Tailwind

colors: {
  custom: {
    50: '#d4d96d',
    500: '#bbc91b',
    950: '#000000',
  },
}

SCSS

$custom: #bbc91b;
$custom-light: #d4d96d;
$custom-dark: #000000;

JSON

{
  "hex": "#bbc91b",
  "rgb": {
    "r": 187,
    "g": 201,
    "b": 27
  },
  "hsl": {
    "h": 64.828,
    "s": 76.316,
    "l": 44.706
  },
  "oklch": {
    "l": 0.79825,
    "c": 0.17521,
    "h": 114.8
  },
  "luminance": 0.52417
}

Semantic roles & 50–950 ramp

primary

#BBC91B

secondary

#262068

accent

#35F344

background

#FEFEFB

surface

#FCFBF1

border

#D5D4CB

text

#151408

muted

#84837D

Preview Lab

Preview with #BBC91B

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

Preview Lab → · Contrast checker → · Palette generator →