#B9C833#B9C833

#B9C833 is a light, vivid yellow. Relative luminance 0.519; OKLCH L 79.6% C 0.165 H 115.3°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#B9C833
RGB	rgb(185, 200, 51)
HSL	hsl(66, 59%, 49%)
HSV	hsv(66, 75%, 78%)
CMYK	cmyk(7.5%, 0%, 74.5%, 21.6%)
CIE-LAB	lab(77.20, -23.13, 67.63)
CIE-LCH	lch(77.20, 71.47, 108.88°)
OKLab	oklab(79.55% -0.0705 0.1489)
OKLCH	oklch(79.55% 0.165 115.3)
XYZ	xyz(41.2606, 51.8626, 10.9682)
Luminance	0.5186 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9C833 #4233C8

analogous

#C88D33 #B9C833 #6FC833

triadic

#B9C833 #33B9C8 #C833B9

tetradic

#B9C833 #33C88D #4233C8 #C8336F

square

#B9C833 #33C88D #4233C8 #C8336F

split-complementary

#B9C833 #336FC8 #8D33C8

monochromatic

#5F661A #8C9727 #B9C833 #CBD761 #DBE392

Accessibility & contrast

On white

1.85

#B9C833 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.37

#B9C833 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9C833

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9C833	#FFFFFF	#000000	##000000
##B9C833	1.00	1.85	11.37	11.37
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.37	21.00	1.00	1.00
##000000	11.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE10

Deuteranopia (green-blind)

#D5C040

Tritanopia (blue-blind)

#C5BCAC

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b9c833;
/* rgb */ color: rgb(185, 200, 51);
/* oklch */ color: oklch(79.6% 0.165 115.3);

Tailwind

colors: {
  custom: {
    50: '#d2d876',
    500: '#b9c833',
    950: '#000000',
  },
}

SCSS

$custom: #b9c833;
$custom-light: #d2d876;
$custom-dark: #000000;

JSON

{
  "hex": "#b9c833",
  "rgb": {
    "r": 185,
    "g": 200,
    "b": 51
  },
  "hsl": {
    "h": 66.04,
    "s": 59.363,
    "l": 49.216
  },
  "oklch": {
    "l": 0.79552,
    "c": 0.16475,
    "h": 115.3
  },
  "luminance": 0.51862
}

Semantic roles & 50–950 ramp

primary

#B9C833

secondary

#352F71

accent

#45E355

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#151409

muted

#84837D

Preview Lab

Preview with #B9C833

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

Preview Lab → · Contrast checker → · Palette generator →