#B5B537#B5B537

#B5B537 is a light, vivid yellow. Relative luminance 0.431; OKLCH L 75.0% C 0.143 H 109.4°. Best body text is #000000 at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#B5B537
RGB	rgb(181, 181, 55)
HSL	hsl(60, 53%, 46%)
HSV	hsv(60, 70%, 71%)
CMYK	cmyk(0%, 0%, 69.6%, 29%)
CIE-LAB	lab(71.66, -15.16, 60.80)
CIE-LCH	lch(71.66, 62.66, 104.00°)
OKLab	oklab(75.04% -0.0477 0.1353)
OKLCH	oklch(75.04% 0.143 109.4)
XYZ	xyz(36.2708, 43.1484, 10.0315)
Luminance	0.4315 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5B537 #3737B5

analogous

#B57637 #B5B537 #76B537

triadic

#B5B537 #37B5B5 #B537B5

tetradic

#B5B537 #37B576 #3737B5 #B53776

square

#B5B537 #37B576 #3737B5 #B53776

split-complementary

#B5B537 #3776B5 #7637B5

monochromatic

#57571A #868629 #B5B537 #CDCD5C #DCDC8B

Accessibility & contrast

On white

2.18

#B5B537 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.63

#B5B537 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5B537

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5B537	#FFFFFF	#000000	##000000
##B5B537	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)

#C4AD22

Deuteranopia (green-blind)

#C5B140

Tritanopia (blue-blind)

#C2AA9C

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #b5b537;
/* rgb */ color: rgb(181, 181, 55);
/* oklch */ color: oklch(75.0% 0.143 109.4);

Tailwind

colors: {
  custom: {
    50: '#ceca76',
    500: '#b5b537',
    950: '#000000',
  },
}

SCSS

$custom: #b5b537;
$custom-light: #ceca76;
$custom-dark: #000000;

JSON

{
  "hex": "#b5b537",
  "rgb": {
    "r": 181,
    "g": 181,
    "b": 55
  },
  "hsl": {
    "h": 60,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.75044,
    "c": 0.14348,
    "h": 109.4
  },
  "luminance": 0.43147
}

Semantic roles & 50–950 ramp

primary

#B5B537

secondary

#8282C6

accent

#4BDD4B

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141309

muted

#83827B

Preview Lab

Preview with #B5B537

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

Preview Lab → · Contrast checker → · Palette generator →