#B9C933#B9C933

#B9C933 is a light, vivid yellow. Relative luminance 0.523; OKLCH L 79.8% C 0.166 H 115.7°. Best body text is #000000 at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#B9C933
RGB	rgb(185, 201, 51)
HSL	hsl(66, 60%, 49%)
HSV	hsv(66, 75%, 79%)
CMYK	cmyk(8%, 0%, 74.6%, 21.2%)
CIE-LAB	lab(77.48, -23.62, 67.89)
CIE-LCH	lch(77.48, 71.88, 109.18°)
OKLab	oklab(79.77% -0.0718 0.1495)
OKLCH	oklch(79.77% 0.166 115.7)
XYZ	xyz(41.4929, 52.3273, 11.0457)
Luminance	0.5233 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9C933 #4333C9

analogous

#C98E33 #B9C933 #6EC933

triadic

#B9C933 #33B9C9 #C933B9

tetradic

#B9C933 #33C98E #4333C9 #C9336E

square

#B9C933 #33C98E #4333C9 #C9336E

split-complementary

#B9C933 #336EC9 #8E33C9

monochromatic

#5F671A #8C9827 #B9C933 #CBD762 #DBE493

Accessibility & contrast

On white

1.83

#B9C933 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.47

#B9C933 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9C933

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9C933	#FFFFFF	#000000	##000000
##B9C933	1.00	1.83	11.47	11.47
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.47	21.00	1.00	1.00
##000000	11.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF0F

Deuteranopia (green-blind)

#D6C140

Tritanopia (blue-blind)

#C5BDAD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b9c933;
/* rgb */ color: rgb(185, 201, 51);
/* oklch */ color: oklch(79.8% 0.166 115.7);

Tailwind

colors: {
  custom: {
    50: '#d2d976',
    500: '#b9c933',
    950: '#000000',
  },
}

SCSS

$custom: #b9c933;
$custom-light: #d2d976;
$custom-dark: #000000;

JSON

{
  "hex": "#b9c933",
  "rgb": {
    "r": 185,
    "g": 201,
    "b": 51
  },
  "hsl": {
    "h": 66.4,
    "s": 59.524,
    "l": 49.412
  },
  "oklch": {
    "l": 0.79774,
    "c": 0.16583,
    "h": 115.7
  },
  "luminance": 0.52327
}

Semantic roles & 50–950 ramp

primary

#B9C933

secondary

#362F71

accent

#45E356

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#151409

muted

#84837D

Preview Lab

Preview with #B9C933

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

Preview Lab → · Contrast checker → · Palette generator →