#B9C02B#B9C02B

#B9C02B is a light, vivid yellow. Relative luminance 0.482; OKLCH L 77.7% C 0.161 H 112.4°. Best body text is #000000 at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#B9C02B
RGB	rgb(185, 192, 43)
HSL	hsl(63, 63%, 46%)
HSV	hsv(63, 78%, 75%)
CMYK	cmyk(3.6%, 0%, 77.6%, 24.7%)
CIE-LAB	lab(74.94, -19.52, 68.04)
CIE-LCH	lch(74.94, 70.79, 106.01°)
OKLab	oklab(77.73% -0.0611 0.1484)
OKLCH	oklch(77.73% 0.161 112.4)
XYZ	xyz(39.2946, 48.1889, 9.5165)
Luminance	0.4819 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9C02B #322BC0

analogous

#C07C2B #B9C02B #6EC02B

triadic

#B9C02B #2BB9C0 #C02BB9

tetradic

#B9C02B #2BC07C #322BC0 #C02B6E

square

#B9C02B #2BC07C #322BC0 #C02B6E

split-complementary

#B9C02B #2B6EC0 #7C2BC0

monochromatic

#595C15 #898E20 #B9C02B #D2D850 #DFE382

Accessibility & contrast

On white

1.97

#B9C02B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.64

#B9C02B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9C02B

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9C02B	#FFFFFF	#000000	##000000
##B9C02B	1.00	1.97	10.64	10.64
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.64	21.00	1.00	1.00
##000000	10.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB700

Deuteranopia (green-blind)

#CFBA39

Tritanopia (blue-blind)

#C6B4A5

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #b9c02b;
/* rgb */ color: rgb(185, 192, 43);
/* oklch */ color: oklch(77.7% 0.161 112.4);

Tailwind

colors: {
  custom: {
    50: '#d2d271',
    500: '#b9c02b',
    950: '#000000',
  },
}

SCSS

$custom: #b9c02b;
$custom-light: #d2d271;
$custom-dark: #000000;

JSON

{
  "hex": "#b9c02b",
  "rgb": {
    "r": 185,
    "g": 192,
    "b": 43
  },
  "hsl": {
    "h": 62.819,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.77731,
    "c": 0.1605,
    "h": 112.4
  },
  "luminance": 0.48188
}

Semantic roles & 50–950 ramp

primary

#B9C02B

secondary

#7F7BCC

accent

#41E649

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#151409

muted

#83827B

Preview Lab

Preview with #B9C02B

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

Preview Lab → · Contrast checker → · Palette generator →