#BBB637#BBB637

#BBB637 is a light, vivid yellow. Relative luminance 0.443; OKLCH L 75.8% C 0.143 H 107.1°. Best body text is #000000 at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#BBB637
RGB	rgb(187, 182, 55)
HSL	hsl(58, 55%, 47%)
HSV	hsv(58, 71%, 73%)
CMYK	cmyk(0%, 2.7%, 70.6%, 26.7%)
CIE-LAB	lab(72.43, -13.09, 61.73)
CIE-LCH	lch(72.43, 63.10, 101.97°)
OKLab	oklab(75.78% -0.0422 0.1371)
OKLCH	oklch(75.78% 0.143 107.1)
XYZ	xyz(37.9125, 44.2978, 10.1670)
Luminance	0.4430 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBB637 #373CBB

analogous

#BB7437 #BBB637 #7EBB37

triadic

#BBB637 #37BBB6 #B637BB

tetradic

#BBB637 #37BB74 #373CBB #BB377E

square

#BBB637 #37BB74 #373CBB #BB377E

split-complementary

#BBB637 #377EBB #7437BB

monochromatic

#5C5A1B #8C8829 #BBB637 #D0CC5F #DEDB8E

Accessibility & contrast

On white

2.13

#BBB637 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.86

#BBB637 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBB637

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBB637	#FFFFFF	#000000	##000000
##BBB637	1.00	2.13	9.86	9.86
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.86	21.00	1.00	1.00
##000000	9.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF22

Deuteranopia (green-blind)

#C8B440

Tritanopia (blue-blind)

#C9AA9D

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #bbb637;
/* rgb */ color: rgb(187, 182, 55);
/* oklch */ color: oklch(75.8% 0.143 107.1);

Tailwind

colors: {
  custom: {
    50: '#d3cb76',
    500: '#bbb637',
    950: '#000000',
  },
}

SCSS

$custom: #bbb637;
$custom-light: #d3cb76;
$custom-dark: #000000;

JSON

{
  "hex": "#bbb637",
  "rgb": {
    "r": 187,
    "g": 182,
    "b": 55
  },
  "hsl": {
    "h": 57.727,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.75781,
    "c": 0.14343,
    "h": 107.1
  },
  "luminance": 0.44297
}

Semantic roles & 50–950 ramp

primary

#BBB637

secondary

#8588C9

accent

#50DE4A

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#151309

muted

#83827B

Preview Lab

Preview with #BBB637

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

Preview Lab → · Contrast checker → · Palette generator →