#BBB531#BBB531

#BBB531 is a light, vivid yellow. Relative luminance 0.438; OKLCH L 75.5% C 0.146 H 106.8°. Best body text is #000000 at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#BBB531
RGB	rgb(187, 181, 49)
HSL	hsl(57, 58%, 46%)
HSV	hsv(57, 74%, 73%)
CMYK	cmyk(0%, 3.2%, 73.8%, 26.7%)
CIE-LAB	lab(72.12, -12.86, 63.58)
CIE-LCH	lch(72.12, 64.86, 101.44°)
OKLab	oklab(75.52% -0.0422 0.1399)
OKLCH	oklch(75.52% 0.146 106.8)
XYZ	xyz(37.5733, 43.8356, 9.3871)
Luminance	0.4383 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBB531 #3137BB

analogous

#BB7031 #BBB531 #7CBB31

triadic

#BBB531 #31BBB5 #B531BB

tetradic

#BBB531 #31BB70 #3137BB #BB317C

square

#BBB531 #31BB70 #3137BB #BB317C

split-complementary

#BBB531 #317CBB #7031BB

monochromatic

#5A5718 #8B8624 #BBB531 #D3CD56 #E0DC87

Accessibility & contrast

On white

2.15

#BBB531 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.77

#BBB531 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBB531

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBB531	#FFFFFF	#000000	##000000
##BBB531	1.00	2.15	9.77	9.77
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.77	21.00	1.00	1.00
##000000	9.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AE16

Deuteranopia (green-blind)

#C7B33B

Tritanopia (blue-blind)

#C9A99C

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #bbb531;
/* rgb */ color: rgb(187, 181, 49);
/* oklch */ color: oklch(75.5% 0.146 106.8);

Tailwind

colors: {
  custom: {
    50: '#d3ca73',
    500: '#bbb531',
    950: '#000000',
  },
}

SCSS

$custom: #bbb531;
$custom-light: #d3ca73;
$custom-dark: #000000;

JSON

{
  "hex": "#bbb531",
  "rgb": {
    "r": 187,
    "g": 181,
    "b": 49
  },
  "hsl": {
    "h": 57.391,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.75523,
    "c": 0.14613,
    "h": 106.8
  },
  "luminance": 0.43834
}

Semantic roles & 50–950 ramp

primary

#BBB531

secondary

#7F82C9

accent

#4DE246

background

#FDFCF7

surface

#FBF8ED

border

#D4D1C8

text

#151309

muted

#83827B

Preview Lab

Preview with #BBB531

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

Preview Lab → · Contrast checker → · Palette generator →