#B4C02B#B4C02B

#B4C02B is a light, vivid yellow. Relative luminance 0.476; OKLCH L 77.3% C 0.162 H 114.3°. Best body text is #000000 at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#B4C02B
RGB	rgb(180, 192, 43)
HSL	hsl(65, 63%, 46%)
HSV	hsv(65, 78%, 75%)
CMYK	cmyk(6.2%, 0%, 77.6%, 24.7%)
CIE-LAB	lab(74.56, -21.64, 67.55)
CIE-LCH	lch(74.56, 70.93, 107.76°)
OKLab	oklab(77.33% -0.0667 0.1475)
OKLCH	oklch(77.33% 0.162 114.3)
XYZ	xyz(38.1092, 47.5777, 9.4609)
Luminance	0.4758 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C02B #372BC0

analogous

#C0812B #B4C02B #69C02B

triadic

#B4C02B #2BB4C0 #C02BB4

tetradic

#B4C02B #2BC081 #372BC0 #C02B69

square

#B4C02B #2BC081 #372BC0 #C02B69

split-complementary

#B4C02B #2B69C0 #812BC0

monochromatic

#565C15 #858E20 #B4C02B #CDD850 #DBE382

Accessibility & contrast

On white

2.00

#B4C02B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.52

#B4C02B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C02B

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C02B	#FFFFFF	#000000	##000000
##B4C02B	1.00	2.00	10.52	10.52
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.52	21.00	1.00	1.00
##000000	10.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB600

Deuteranopia (green-blind)

#CEB939

Tritanopia (blue-blind)

#C0B4A5

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #b4c02b;
/* rgb */ color: rgb(180, 192, 43);
/* oklch */ color: oklch(77.3% 0.162 114.3);

Tailwind

colors: {
  custom: {
    50: '#ced271',
    500: '#b4c02b',
    950: '#000000',
  },
}

SCSS

$custom: #b4c02b;
$custom-light: #ced271;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c02b",
  "rgb": {
    "r": 180,
    "g": 192,
    "b": 43
  },
  "hsl": {
    "h": 64.832,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.77326,
    "c": 0.16193,
    "h": 114.3
  },
  "luminance": 0.47577
}

Semantic roles & 50–950 ramp

primary

#B4C02B

secondary

#817BCC

accent

#41E64F

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141409

muted

#83827B

Preview Lab

Preview with #B4C02B

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

Preview Lab → · Contrast checker → · Palette generator →