#B5C02B#B5C02B

#B5C02B is a light, vivid yellow. Relative luminance 0.477; OKLCH L 77.4% C 0.162 H 114.0°. Best body text is #000000 at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#B5C02B
RGB	rgb(181, 192, 43)
HSL	hsl(64, 63%, 46%)
HSV	hsv(64, 78%, 75%)
CMYK	cmyk(5.7%, 0%, 77.6%, 24.7%)
CIE-LAB	lab(74.63, -21.22, 67.65)
CIE-LCH	lch(74.63, 70.90, 107.41°)
OKLab	oklab(77.41% -0.0656 0.1477)
OKLCH	oklch(77.41% 0.162 114)
XYZ	xyz(38.3429, 47.6982, 9.4719)
Luminance	0.4770 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C02B #362BC0

analogous

#C0802B #B5C02B #6AC02B

triadic

#B5C02B #2BB5C0 #C02BB5

tetradic

#B5C02B #2BC080 #362BC0 #C02B6A

square

#B5C02B #2BC080 #362BC0 #C02B6A

split-complementary

#B5C02B #2B6AC0 #802BC0

monochromatic

#575C15 #868E20 #B5C02B #CED850 #DCE382

Accessibility & contrast

On white

1.99

#B5C02B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.54

#B5C02B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C02B

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C02B	#FFFFFF	#000000	##000000
##B5C02B	1.00	1.99	10.54	10.54
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.54	21.00	1.00	1.00
##000000	10.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB600

Deuteranopia (green-blind)

#CEB939

Tritanopia (blue-blind)

#C1B4A5

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #b5c02b;
/* rgb */ color: rgb(181, 192, 43);
/* oklch */ color: oklch(77.4% 0.162 114.0);

Tailwind

colors: {
  custom: {
    50: '#cfd271',
    500: '#b5c02b',
    950: '#000000',
  },
}

SCSS

$custom: #b5c02b;
$custom-light: #cfd271;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c02b",
  "rgb": {
    "r": 181,
    "g": 192,
    "b": 43
  },
  "hsl": {
    "h": 64.43,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.77407,
    "c": 0.16163,
    "h": 114
  },
  "luminance": 0.47697
}

Semantic roles & 50–950 ramp

primary

#B5C02B

secondary

#817BCC

accent

#41E64E

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141409

muted

#83827B

Preview Lab

Preview with #B5C02B

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

Preview Lab → · Contrast checker → · Palette generator →