#BBB931#BBB931

#BBB931 is a light, vivid yellow. Relative luminance 0.455; OKLCH L 76.4% C 0.150 H 108.6°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#BBB931
RGB	rgb(187, 185, 49)
HSL	hsl(59, 58%, 46%)
HSV	hsv(59, 74%, 73%)
CMYK	cmyk(0%, 1.1%, 73.8%, 26.7%)
CIE-LAB	lab(73.21, -14.90, 64.60)
CIE-LCH	lch(73.21, 66.30, 102.99°)
OKLab	oklab(76.39% -0.0479 0.1421)
OKLCH	oklch(76.39% 0.15 108.6)
XYZ	xyz(38.3983, 45.4857, 9.6621)
Luminance	0.4548 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBB931 #3133BB

analogous

#BB7431 #BBB931 #78BB31

triadic

#BBB931 #31BBB9 #B931BB

tetradic

#BBB931 #31BB74 #3133BB #BB3178

square

#BBB931 #31BB74 #3133BB #BB3178

split-complementary

#BBB931 #3178BB #7431BB

monochromatic

#5A5918 #8B8924 #BBB931 #D3D156 #E0DE87

Accessibility & contrast

On white

2.08

#BBB931 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#BBB931 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBB931

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBB931	#FFFFFF	#000000	##000000
##BBB931	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B114

Deuteranopia (green-blind)

#CAB63C

Tritanopia (blue-blind)

#C9AD9F

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #bbb931;
/* rgb */ color: rgb(187, 185, 49);
/* oklch */ color: oklch(76.4% 0.150 108.6);

Tailwind

colors: {
  custom: {
    50: '#d3cd73',
    500: '#bbb931',
    950: '#000000',
  },
}

SCSS

$custom: #bbb931;
$custom-light: #d3cd73;
$custom-dark: #000000;

JSON

{
  "hex": "#bbb931",
  "rgb": {
    "r": 187,
    "g": 185,
    "b": 49
  },
  "hsl": {
    "h": 59.13,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.76394,
    "c": 0.14995,
    "h": 108.6
  },
  "luminance": 0.45484
}

Semantic roles & 50–950 ramp

primary

#BBB931

secondary

#7F80C9

accent

#48E246

background

#FDFCF7

surface

#FBF9ED

border

#D4D2C8

text

#151309

muted

#83827B

Preview Lab

Preview with #BBB931

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

Preview Lab → · Contrast checker → · Palette generator →