#B5B231#B5B231

#B5B231 is a light, vivid yellow. Relative luminance 0.419; OKLCH L 74.3% C 0.144 H 108.1°. Best body text is #000000 at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#B5B231
RGB	rgb(181, 178, 49)
HSL	hsl(59, 57%, 45%)
HSV	hsv(59, 73%, 71%)
CMYK	cmyk(0%, 1.7%, 72.9%, 29%)
CIE-LAB	lab(70.79, -13.92, 62.14)
CIE-LCH	lch(70.79, 63.68, 102.63°)
OKLab	oklab(74.34% -0.0448 0.1371)
OKLCH	oklch(74.34% 0.144 108.1)
XYZ	xyz(35.5322, 41.8875, 9.1185)
Luminance	0.4189 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5B231 #3134B5

analogous

#B57031 #B5B231 #76B531

triadic

#B5B231 #31B5B2 #B231B5

tetradic

#B5B231 #31B570 #3134B5 #B53176

square

#B5B231 #31B570 #3134B5 #B53176

split-complementary

#B5B231 #3176B5 #7031B5

monochromatic

#555317 #858324 #B5B231 #D0CE53 #DDDB83

Accessibility & contrast

On white

2.24

#B5B231 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.38

#B5B231 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5B231

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5B231	#FFFFFF	#000000	##000000
##B5B231	1.00	2.24	9.38	9.38
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.38	21.00	1.00	1.00
##000000	9.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AB18

Deuteranopia (green-blind)

#C3AF3B

Tritanopia (blue-blind)

#C2A699

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #b5b231;
/* rgb */ color: rgb(181, 178, 49);
/* oklch */ color: oklch(74.3% 0.144 108.1);

Tailwind

colors: {
  custom: {
    50: '#cfc873',
    500: '#b5b231',
    950: '#000000',
  },
}

SCSS

$custom: #b5b231;
$custom-light: #cfc873;
$custom-dark: #000000;

JSON

{
  "hex": "#b5b231",
  "rgb": {
    "r": 181,
    "g": 178,
    "b": 49
  },
  "hsl": {
    "h": 58.636,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.74344,
    "c": 0.14423,
    "h": 108.1
  },
  "luminance": 0.41886
}

Semantic roles & 50–950 ramp

primary

#B5B231

secondary

#7B7DC7

accent

#4BE147

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B5B231

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

Preview Lab → · Contrast checker → · Palette generator →