#BBB737#BBB737

#BBB737 is a light, vivid yellow. Relative luminance 0.447; OKLCH L 76.0% C 0.144 H 107.6°. Best body text is #000000 at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#BBB737
RGB	rgb(187, 183, 55)
HSL	hsl(58, 55%, 47%)
HSV	hsv(58, 71%, 73%)
CMYK	cmyk(0%, 2.1%, 70.6%, 26.7%)
CIE-LAB	lab(72.70, -13.60, 61.99)
CIE-LCH	lch(72.70, 63.47, 102.38°)
OKLab	oklab(76% -0.0437 0.1377)
OKLCH	oklch(76% 0.144 107.6)
XYZ	xyz(38.1180, 44.7089, 10.2355)
Luminance	0.4471 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBB737 #373BBB

analogous

#BB7537 #BBB737 #7DBB37

triadic

#BBB737 #37BBB7 #B737BB

tetradic

#BBB737 #37BB75 #373BBB #BB377D

square

#BBB737 #37BB75 #373BBB #BB377D

split-complementary

#BBB737 #377DBB #7537BB

monochromatic

#5C5A1B #8C8929 #BBB737 #D0CD5F #DEDC8E

Accessibility & contrast

On white

2.11

#BBB737 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.94

#BBB737 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBB737

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBB737	#FFFFFF	#000000	##000000
##BBB737	1.00	2.11	9.94	9.94
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.94	21.00	1.00	1.00
##000000	9.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B021

Deuteranopia (green-blind)

#C9B540

Tritanopia (blue-blind)

#C8AB9E

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #bbb737;
/* rgb */ color: rgb(187, 183, 55);
/* oklch */ color: oklch(76.0% 0.144 107.6);

Tailwind

colors: {
  custom: {
    50: '#d3cc76',
    500: '#bbb737',
    950: '#000000',
  },
}

SCSS

$custom: #bbb737;
$custom-light: #d3cc76;
$custom-dark: #000000;

JSON

{
  "hex": "#bbb737",
  "rgb": {
    "r": 187,
    "g": 183,
    "b": 55
  },
  "hsl": {
    "h": 58.182,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.75998,
    "c": 0.14441,
    "h": 107.6
  },
  "luminance": 0.44708
}

Semantic roles & 50–950 ramp

primary

#BBB737

secondary

#8587C9

accent

#4EDE4A

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#151309

muted

#83827B

Preview Lab

Preview with #BBB737

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

Preview Lab → · Contrast checker → · Palette generator →