#B5B538#B5B538

#B5B538 is a light, vivid yellow. Relative luminance 0.432; OKLCH L 75.1% C 0.143 H 109.4°. Best body text is #000000 at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#B5B538
RGB	rgb(181, 181, 56)
HSL	hsl(60, 53%, 46%)
HSV	hsv(60, 69%, 71%)
CMYK	cmyk(0%, 0%, 69.1%, 29%)
CIE-LAB	lab(71.66, -15.11, 60.43)
CIE-LCH	lch(71.66, 62.29, 104.03°)
OKLab	oklab(75.05% -0.0474 0.1347)
OKLCH	oklch(75.05% 0.143 109.4)
XYZ	xyz(36.2950, 43.1581, 10.1591)
Luminance	0.4316 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5B538 #3838B5

analogous

#B57738 #B5B538 #77B538

triadic

#B5B538 #38B5B5 #B538B5

tetradic

#B5B538 #38B577 #3838B5 #B53877

square

#B5B538 #38B577 #3838B5 #B53877

split-complementary

#B5B538 #3877B5 #7738B5

monochromatic

#58581B #86862A #B5B538 #CDCD5D #DBDB8C

Accessibility & contrast

On white

2.18

#B5B538 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.63

#B5B538 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5B538

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5B538	#FFFFFF	#000000	##000000
##B5B538	1.00	2.18	9.63	9.63
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.63	21.00	1.00	1.00
##000000	9.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD24

Deuteranopia (green-blind)

#C5B141

Tritanopia (blue-blind)

#C2AA9C

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #b5b538;
/* rgb */ color: rgb(181, 181, 56);
/* oklch */ color: oklch(75.1% 0.143 109.4);

Tailwind

colors: {
  custom: {
    50: '#ceca76',
    500: '#b5b538',
    950: '#000000',
  },
}

SCSS

$custom: #b5b538;
$custom-light: #ceca76;
$custom-dark: #000000;

JSON

{
  "hex": "#b5b538",
  "rgb": {
    "r": 181,
    "g": 181,
    "b": 56
  },
  "hsl": {
    "h": 60,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.75051,
    "c": 0.14283,
    "h": 109.4
  },
  "luminance": 0.43157
}

Semantic roles & 50–950 ramp

primary

#B5B538

secondary

#8383C6

accent

#4CDC4C

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141309

muted

#83827B

Preview Lab

Preview with #B5B538

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

Preview Lab → · Contrast checker → · Palette generator →