#B9BF31#B9BF31

#B9BF31 is a light, vivid yellow. Relative luminance 0.478; OKLCH L 77.5% C 0.156 H 112.0°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#B9BF31
RGB	rgb(185, 191, 49)
HSL	hsl(63, 59%, 47%)
HSV	hsv(63, 74%, 75%)
CMYK	cmyk(3.1%, 0%, 74.3%, 25.1%)
CIE-LAB	lab(74.70, -18.78, 65.94)
CIE-LCH	lch(74.70, 68.56, 105.90°)
OKLab	oklab(77.54% -0.0586 0.145)
OKLCH	oklch(77.54% 0.156 112)
XYZ	xyz(39.1941, 47.7986, 10.0665)
Luminance	0.4780 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9BF31 #3731BF

analogous

#BF7E31 #B9BF31 #72BF31

triadic

#B9BF31 #31B9BF #BF31B9

tetradic

#B9BF31 #31BF7E #3731BF #BF3172

square

#B9BF31 #31BF7E #3731BF #BF3172

split-complementary

#B9BF31 #3172BF #7E31BF

monochromatic

#5B5E18 #8A8E25 #B9BF31 #CFD459 #DDE18A

Accessibility & contrast

On white

1.99

#B9BF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#B9BF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9BF31

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9BF31	#FFFFFF	#000000	##000000
##B9BF31	1.00	1.99	10.56	10.56
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.56	21.00	1.00	1.00
##000000	10.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB610

Deuteranopia (green-blind)

#CEB93D

Tritanopia (blue-blind)

#C6B3A4

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #b9bf31;
/* rgb */ color: rgb(185, 191, 49);
/* oklch */ color: oklch(77.5% 0.156 112.0);

Tailwind

colors: {
  custom: {
    50: '#d2d274',
    500: '#b9bf31',
    950: '#000000',
  },
}

SCSS

$custom: #b9bf31;
$custom-light: #d2d274;
$custom-dark: #000000;

JSON

{
  "hex": "#b9bf31",
  "rgb": {
    "r": 185,
    "g": 191,
    "b": 49
  },
  "hsl": {
    "h": 62.535,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.77544,
    "c": 0.15638,
    "h": 112
  },
  "luminance": 0.47798
}

Semantic roles & 50–950 ramp

primary

#B9BF31

secondary

#8481CB

accent

#45E24C

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#151409

muted

#83827B

Preview Lab

Preview with #B9BF31

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

Preview Lab → · Contrast checker → · Palette generator →