#BBB51E#BBB51E

#BBB51E is a light, vivid yellow. Relative luminance 0.437; OKLCH L 75.4% C 0.155 H 107.1°. Best body text is #000000 at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#BBB51E
RGB	rgb(187, 181, 30)
HSL	hsl(58, 72%, 43%)
HSV	hsv(58, 84%, 73%)
CMYK	cmyk(0%, 3.2%, 84%, 26.7%)
CIE-LAB	lab(72.03, -13.54, 69.07)
CIE-LCH	lch(72.03, 70.38, 101.09°)
OKLab	oklab(75.43% -0.0455 0.1482)
OKLCH	oklch(75.43% 0.155 107.1)
XYZ	xyz(37.2534, 43.7077, 7.7021)
Luminance	0.4371 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBB51E #1E24BB

analogous

#BB661E #BBB51E #72BB1E

triadic

#BBB51E #1EBBB5 #B51EBB

tetradic

#BBB51E #1EBB66 #1E24BB #BB1E72

square

#BBB51E #1EBB66 #1E24BB #BB1E72

split-complementary

#BBB51E #1E72BB #661EBB

monochromatic

#524F0D #868216 #BBB51E #DFD937 #E7E36C

Accessibility & contrast

On white

2.16

#BBB51E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.74

#BBB51E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBB51E

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBB51E	#FFFFFF	#000000	##000000
##BBB51E	1.00	2.16	9.74	9.74
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.74	21.00	1.00	1.00
##000000	9.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AE00

Deuteranopia (green-blind)

#C8B32D

Tritanopia (blue-blind)

#C9A89B

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #bbb51e;
/* rgb */ color: rgb(187, 181, 30);
/* oklch */ color: oklch(75.4% 0.155 107.1);

Tailwind

colors: {
  custom: {
    50: '#d4ca6b',
    500: '#bbb51e',
    950: '#000000',
  },
}

SCSS

$custom: #bbb51e;
$custom-light: #d4ca6b;
$custom-dark: #000000;

JSON

{
  "hex": "#bbb51e",
  "rgb": {
    "r": 187,
    "g": 181,
    "b": 30
  },
  "hsl": {
    "h": 57.707,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.75427,
    "c": 0.15504,
    "h": 107.1
  },
  "luminance": 0.43706
}

Semantic roles & 50–950 ramp

primary

#BBB51E

secondary

#676BCD

accent

#40EF39

background

#FDFCF6

surface

#FBF8EC

border

#D4D1C7

text

#151308

muted

#83827A

Preview Lab

Preview with #BBB51E

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

Preview Lab → · Contrast checker → · Palette generator →