#B9B731#B9B731

#B9B731 is a light, vivid yellow. Relative luminance 0.444; OKLCH L 75.8% C 0.148 H 108.6°. Best body text is #000000 at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#B9B731
RGB	rgb(185, 183, 49)
HSL	hsl(59, 58%, 46%)
HSV	hsv(59, 74%, 73%)
CMYK	cmyk(0%, 1.1%, 73.5%, 27.5%)
CIE-LAB	lab(72.50, -14.75, 63.87)
CIE-LCH	lch(72.50, 65.55, 103.00°)
OKLab	oklab(75.79% -0.0473 0.1406)
OKLCH	oklch(75.79% 0.148 108.6)
XYZ	xyz(37.4969, 44.4042, 9.5008)
Luminance	0.4440 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9B731 #3133B9

analogous

#B97331 #B9B731 #77B931

triadic

#B9B731 #31B9B7 #B731B9

tetradic

#B9B731 #31B973 #3133B9 #B93177

square

#B9B731 #31B973 #3133B9 #B93177

split-complementary

#B9B731 #3177B9 #7331B9

monochromatic

#585717 #898724 #B9B731 #D2D055 #DFDE86

Accessibility & contrast

On white

2.13

#B9B731 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.88

#B9B731 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9B731

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9B731	#FFFFFF	#000000	##000000
##B9B731	1.00	2.13	9.88	9.88
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.88	21.00	1.00	1.00
##000000	9.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6AF15

Deuteranopia (green-blind)

#C8B43B

Tritanopia (blue-blind)

#C6AB9D

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #b9b731;
/* rgb */ color: rgb(185, 183, 49);
/* oklch */ color: oklch(75.8% 0.148 108.6);

Tailwind

colors: {
  custom: {
    50: '#d2cc73',
    500: '#b9b731',
    950: '#000000',
  },
}

SCSS

$custom: #b9b731;
$custom-light: #d2cc73;
$custom-dark: #000000;

JSON

{
  "hex": "#b9b731",
  "rgb": {
    "r": 185,
    "g": 183,
    "b": 49
  },
  "hsl": {
    "h": 59.118,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.75785,
    "c": 0.14837,
    "h": 108.6
  },
  "luminance": 0.44403
}

Semantic roles & 50–950 ramp

primary

#B9B731

secondary

#7D7FC8

accent

#49E146

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#151309

muted

#83827B

Preview Lab

Preview with #B9B731

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

Preview Lab → · Contrast checker → · Palette generator →