#BBB631#BBB631

#BBB631 is a light, vivid yellow. Relative luminance 0.442; OKLCH L 75.7% C 0.147 H 107.2°. Best body text is #000000 at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#BBB631
RGB	rgb(187, 182, 49)
HSL	hsl(58, 58%, 46%)
HSV	hsv(58, 74%, 73%)
CMYK	cmyk(0%, 2.7%, 73.8%, 26.7%)
CIE-LAB	lab(72.39, -13.37, 63.83)
CIE-LCH	lch(72.39, 65.22, 101.83°)
OKLab	oklab(75.74% -0.0436 0.1405)
OKLCH	oklch(75.74% 0.147 107.2)
XYZ	xyz(37.7773, 44.2438, 9.4551)
Luminance	0.4424 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBB631 #3136BB

analogous

#BB7131 #BBB631 #7BBB31

triadic

#BBB631 #31BBB6 #B631BB

tetradic

#BBB631 #31BB71 #3136BB #BB317B

square

#BBB631 #31BB71 #3136BB #BB317B

split-complementary

#BBB631 #317BBB #7131BB

monochromatic

#5A5818 #8B8724 #BBB631 #D3CE56 #E0DC87

Accessibility & contrast

On white

2.13

#BBB631 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.85

#BBB631 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBB631

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBB631	#FFFFFF	#000000	##000000
##BBB631	1.00	2.13	9.85	9.85
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.85	21.00	1.00	1.00
##000000	9.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6AF16

Deuteranopia (green-blind)

#C8B43B

Tritanopia (blue-blind)

#C9AA9D

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #bbb631;
/* rgb */ color: rgb(187, 182, 49);
/* oklch */ color: oklch(75.7% 0.147 107.2);

Tailwind

colors: {
  custom: {
    50: '#d3cb73',
    500: '#bbb631',
    950: '#000000',
  },
}

SCSS

$custom: #bbb631;
$custom-light: #d3cb73;
$custom-dark: #000000;

JSON

{
  "hex": "#bbb631",
  "rgb": {
    "r": 187,
    "g": 182,
    "b": 49
  },
  "hsl": {
    "h": 57.826,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.7574,
    "c": 0.14707,
    "h": 107.2
  },
  "luminance": 0.44242
}

Semantic roles & 50–950 ramp

primary

#BBB631

secondary

#7F81C9

accent

#4CE246

background

#FDFCF7

surface

#FBF8ED

border

#D4D1C8

text

#151309

muted

#83827B

Preview Lab

Preview with #BBB631

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

Preview Lab → · Contrast checker → · Palette generator →