#B5B531#B5B531

#B5B531 is a light, vivid yellow. Relative luminance 0.431; OKLCH L 75.0% C 0.147 H 109.5°. Best body text is #000000 at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#B5B531
RGB	rgb(181, 181, 49)
HSL	hsl(60, 57%, 45%)
HSV	hsv(60, 73%, 71%)
CMYK	cmyk(0%, 0%, 72.9%, 29%)
CIE-LAB	lab(71.62, -15.45, 62.93)
CIE-LCH	lch(71.62, 64.80, 103.80°)
OKLab	oklab(75% -0.0491 0.1388)
OKLCH	oklch(75% 0.147 109.5)
XYZ	xyz(36.1356, 43.0943, 9.3197)
Luminance	0.4309 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5B531 #3131B5

analogous

#B57331 #B5B531 #73B531

triadic

#B5B531 #31B5B5 #B531B5

tetradic

#B5B531 #31B573 #3131B5 #B53173

square

#B5B531 #31B573 #3131B5 #B53173

split-complementary

#B5B531 #3173B5 #7331B5

monochromatic

#555517 #858524 #B5B531 #D0D053 #DDDD83

Accessibility & contrast

On white

2.18

#B5B531 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.62

#B5B531 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5B531

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5B531	#FFFFFF	#000000	##000000
##B5B531	1.00	2.18	9.62	9.62
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.62	21.00	1.00	1.00
##000000	9.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AD16

Deuteranopia (green-blind)

#C5B13B

Tritanopia (blue-blind)

#C2A99C

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #b5b531;
/* rgb */ color: rgb(181, 181, 49);
/* oklch */ color: oklch(75.0% 0.147 109.5);

Tailwind

colors: {
  custom: {
    50: '#cfca73',
    500: '#b5b531',
    950: '#000000',
  },
}

SCSS

$custom: #b5b531;
$custom-light: #cfca73;
$custom-dark: #000000;

JSON

{
  "hex": "#b5b531",
  "rgb": {
    "r": 181,
    "g": 181,
    "b": 49
  },
  "hsl": {
    "h": 60,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.75003,
    "c": 0.14718,
    "h": 109.5
  },
  "luminance": 0.43093
}

Semantic roles & 50–950 ramp

primary

#B5B531

secondary

#7B7BC7

accent

#47E147

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141309

muted

#83827B

Preview Lab

Preview with #B5B531

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

Preview Lab → · Contrast checker → · Palette generator →