#B9C033#B9C033

#B9C033 is a light, vivid yellow. Relative luminance 0.483; OKLCH L 77.8% C 0.156 H 112.4°. Best body text is #000000 at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#B9C033
RGB	rgb(185, 192, 51)
HSL	hsl(63, 58%, 48%)
HSV	hsv(63, 73%, 75%)
CMYK	cmyk(3.6%, 0%, 73.4%, 24.7%)
CIE-LAB	lab(74.98, -19.19, 65.54)
CIE-LCH	lch(74.98, 68.30, 106.32°)
OKLab	oklab(77.78% -0.0595 0.1445)
OKLCH	oklch(77.78% 0.156 112.4)
XYZ	xyz(39.4560, 48.2535, 10.3667)
Luminance	0.4825 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9C033 #3A33C0

analogous

#C08133 #B9C033 #72C033

triadic

#B9C033 #33B9C0 #C033B9

tetradic

#B9C033 #33C081 #3A33C0 #C03372

square

#B9C033 #33C081 #3A33C0 #C03372

split-complementary

#B9C033 #3372C0 #8133C0

monochromatic

#5C5F19 #8A9026 #B9C033 #CED45C #DCE18D

Accessibility & contrast

On white

1.97

#B9C033 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.65

#B9C033 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9C033

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9C033	#FFFFFF	#000000	##000000
##B9C033	1.00	1.97	10.65	10.65
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.65	21.00	1.00	1.00
##000000	10.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB715

Deuteranopia (green-blind)

#CFBA3F

Tritanopia (blue-blind)

#C6B4A5

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #b9c033;
/* rgb */ color: rgb(185, 192, 51);
/* oklch */ color: oklch(77.8% 0.156 112.4);

Tailwind

colors: {
  custom: {
    50: '#d2d275',
    500: '#b9c033',
    950: '#000000',
  },
}

SCSS

$custom: #b9c033;
$custom-light: #d2d275;
$custom-dark: #000000;

JSON

{
  "hex": "#b9c033",
  "rgb": {
    "r": 185,
    "g": 192,
    "b": 51
  },
  "hsl": {
    "h": 62.979,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.77777,
    "c": 0.1563,
    "h": 112.4
  },
  "luminance": 0.48253
}

Semantic roles & 50–950 ramp

primary

#B9C033

secondary

#8784CB

accent

#47E14E

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#151409

muted

#83827B

Preview Lab

Preview with #B9C033

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

Preview Lab → · Contrast checker → · Palette generator →