#BBBB37#BBBB37

#BBBB37 is a light, vivid yellow. Relative luminance 0.464; OKLCH L 76.9% C 0.148 H 109.4°. Best body text is #000000 at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#BBBB37
RGB	rgb(187, 187, 55)
HSL	hsl(60, 55%, 47%)
HSV	hsv(60, 71%, 73%)
CMYK	cmyk(0%, 0%, 70.6%, 26.7%)
CIE-LAB	lab(73.79, -15.64, 63.06)
CIE-LCH	lch(73.79, 64.97, 103.93°)
OKLab	oklab(76.87% -0.0494 0.1399)
OKLCH	oklch(76.87% 0.148 109.4)
XYZ	xyz(38.9548, 46.3824, 10.5144)
Luminance	0.4638 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBBB37 #3737BB

analogous

#BB7937 #BBBB37 #79BB37

triadic

#BBBB37 #37BBBB #BB37BB

tetradic

#BBBB37 #37BB79 #3737BB #BB3779

square

#BBBB37 #37BB79 #3737BB #BB3779

split-complementary

#BBBB37 #3779BB #7937BB

monochromatic

#5C5C1B #8C8C29 #BBBB37 #D0D05F #DEDE8E

Accessibility & contrast

On white

2.04

#BBBB37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.28

#BBBB37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBBB37

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBBB37	#FFFFFF	#000000	##000000
##BBBB37	1.00	2.04	10.28	10.28
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.28	21.00	1.00	1.00
##000000	10.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB320

Deuteranopia (green-blind)

#CCB741

Tritanopia (blue-blind)

#C8AFA1

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #bbbb37;
/* rgb */ color: rgb(187, 187, 55);
/* oklch */ color: oklch(76.9% 0.148 109.4);

Tailwind

colors: {
  custom: {
    50: '#d3cf77',
    500: '#bbbb37',
    950: '#000000',
  },
}

SCSS

$custom: #bbbb37;
$custom-light: #d3cf77;
$custom-dark: #000000;

JSON

{
  "hex": "#bbbb37",
  "rgb": {
    "r": 187,
    "g": 187,
    "b": 55
  },
  "hsl": {
    "h": 60,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.76871,
    "c": 0.14835,
    "h": 109.4
  },
  "luminance": 0.46381
}

Semantic roles & 50–950 ramp

primary

#BBBB37

secondary

#8585C9

accent

#4ADE4A

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#151309

muted

#83827B

Preview Lab

Preview with #BBBB37

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

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