#B5B451#B5B451

#B5B451 is a light, vivid yellow. Relative luminance 0.431; OKLCH L 75.1% C 0.122 H 108.5°. Best body text is #000000 at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#B5B451
RGB	rgb(181, 180, 81)
HSL	hsl(59, 40%, 51%)
HSV	hsv(59, 55%, 71%)
CMYK	cmyk(0%, 0.6%, 55.2%, 29%)
CIE-LAB	lab(71.60, -12.94, 49.72)
CIE-LCH	lch(71.60, 51.37, 104.59°)
OKLab	oklab(75.07% -0.0386 0.1156)
OKLCH	oklch(75.07% 0.122 108.5)
XYZ	xyz(36.8635, 43.0613, 14.1528)
Luminance	0.4306 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5B451 #5152B5

analogous

#B58251 #B5B451 #84B551

triadic

#B5B451 #51B5B4 #B451B5

tetradic

#B5B451 #51B582 #5152B5 #B55184

square

#B5B451 #51B582 #5152B5 #B55184

split-complementary

#B5B451 #5184B5 #8251B5

monochromatic

#62612A #8D8C3C #B5B451 #C7C77C #DAD9A7

Accessibility & contrast

On white

2.18

#B5B451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.61

#B5B451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5B451

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5B451	#FFFFFF	#000000	##000000
##B5B451	1.00	2.18	9.61	9.61
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.61	21.00	1.00	1.00
##000000	9.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AD47

Deuteranopia (green-blind)

#C3B156

Tritanopia (blue-blind)

#C1AA9E

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #b5b451;
/* rgb */ color: rgb(181, 180, 81);
/* oklch */ color: oklch(75.1% 0.122 108.5);

Tailwind

colors: {
  custom: {
    50: '#cdca85',
    500: '#b5b451',
    950: '#000000',
  },
}

SCSS

$custom: #b5b451;
$custom-light: #cdca85;
$custom-dark: #000000;

JSON

{
  "hex": "#b5b451",
  "rgb": {
    "r": 181,
    "g": 180,
    "b": 81
  },
  "hsl": {
    "h": 59.4,
    "s": 40.323,
    "l": 51.373
  },
  "oklch": {
    "l": 0.75066,
    "c": 0.1219,
    "h": 108.5
  },
  "luminance": 0.4306
}

Semantic roles & 50–950 ramp

primary

#B5B451

secondary

#9B9BC7

accent

#59D058

background

#FCFCF8

surface

#F9F8EF

border

#D2D1CA

text

#14130B

muted

#82827C

Preview Lab

Preview with #B5B451

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

Preview Lab → · Contrast checker → · Palette generator →