#BBBB40#BBBB40

#BBBB40 is a light, vivid yellow. Relative luminance 0.465; OKLCH L 76.9% C 0.142 H 109.3°. Best body text is #000000 at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#BBBB40
RGB	rgb(187, 187, 64)
HSL	hsl(60, 49%, 49%)
HSV	hsv(60, 66%, 73%)
CMYK	cmyk(0%, 0%, 65.8%, 26.7%)
CIE-LAB	lab(73.85, -15.15, 59.69)
CIE-LCH	lch(73.85, 61.58, 104.24°)
OKLab	oklab(76.94% -0.0471 0.1343)
OKLCH	oklch(76.94% 0.142 109.3)
XYZ	xyz(39.1905, 46.4767, 11.7560)
Luminance	0.4648 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBBB40 #4040BB

analogous

#BB7E40 #BBBB40 #7EBB40

triadic

#BBBB40 #40BBBB #BB40BB

tetradic

#BBBB40 #40BB7E #4040BB #BB407E

square

#BBBB40 #40BB7E #4040BB #BB407E

split-complementary

#BBBB40 #407EBB #7E40BB

monochromatic

#606021 #8D8D30 #BBBB40 #CDCD6C #DCDC99

Accessibility & contrast

On white

2.04

#BBBB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.30

#BBBB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBBB40

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBBB40	#FFFFFF	#000000	##000000
##BBBB40	1.00	2.04	10.30	10.30
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.30	21.00	1.00	1.00
##000000	10.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB32F

Deuteranopia (green-blind)

#CBB748

Tritanopia (blue-blind)

#C8AFA2

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #bbbb40;
/* rgb */ color: rgb(187, 187, 64);
/* oklch */ color: oklch(76.9% 0.142 109.3);

Tailwind

colors: {
  custom: {
    50: '#d3cf7b',
    500: '#bbbb40',
    950: '#000000',
  },
}

SCSS

$custom: #bbbb40;
$custom-light: #d3cf7b;
$custom-dark: #000000;

JSON

{
  "hex": "#bbbb40",
  "rgb": {
    "r": 187,
    "g": 187,
    "b": 64
  },
  "hsl": {
    "h": 60,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.76938,
    "c": 0.14231,
    "h": 109.3
  },
  "luminance": 0.46476
}

Semantic roles & 50–950 ramp

primary

#BBBB40

secondary

#8F8FC8

accent

#4FD94F

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#15130A

muted

#83827C

Preview Lab

Preview with #BBBB40

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

Preview Lab → · Contrast checker → · Palette generator →