#B4C33B#B4C33B

#B4C33B is a light, vivid yellow. Relative luminance 0.490; OKLCH L 78.1% C 0.156 H 115.6°. Best body text is #000000 at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#B4C33B
RGB	rgb(180, 195, 59)
HSL	hsl(67, 54%, 50%)
HSV	hsv(67, 70%, 76%)
CMYK	cmyk(7.7%, 0%, 69.7%, 23.5%)
CIE-LAB	lab(75.48, -22.37, 63.07)
CIE-LCH	lch(75.48, 66.92, 109.53°)
OKLab	oklab(78.1% -0.0674 0.1408)
OKLCH	oklch(78.1% 0.156 115.6)
XYZ	xyz(39.1279, 49.0499, 11.5432)
Luminance	0.4905 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C33B #4A3BC3

analogous

#C38E3B #B4C33B #70C33B

triadic

#B4C33B #3BB4C3 #C33BB4

tetradic

#B4C33B #3BC38E #4A3BC3 #C33B70

square

#B4C33B #3BC38E #4A3BC3 #C33B70

split-complementary

#B4C33B #3B70C3 #8E3BC3

monochromatic

#5D651F #89942D #B4C33B #C6D269 #D8E098

Accessibility & contrast

On white

1.94

#B4C33B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.81

#B4C33B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C33B

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C33B	#FFFFFF	#000000	##000000
##B4C33B	1.00	1.94	10.81	10.81
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.81	21.00	1.00	1.00
##000000	10.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1B924

Deuteranopia (green-blind)

#D0BB46

Tritanopia (blue-blind)

#BFB8A8

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #b4c33b;
/* rgb */ color: rgb(180, 195, 59);
/* oklch */ color: oklch(78.1% 0.156 115.6);

Tailwind

colors: {
  custom: {
    50: '#ced579',
    500: '#b4c33b',
    950: '#000000',
  },
}

SCSS

$custom: #b4c33b;
$custom-light: #ced579;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c33b",
  "rgb": {
    "r": 180,
    "g": 195,
    "b": 59
  },
  "hsl": {
    "h": 66.618,
    "s": 53.543,
    "l": 49.804
  },
  "oklch": {
    "l": 0.78096,
    "c": 0.1561,
    "h": 115.6
  },
  "luminance": 0.49049
}

Semantic roles & 50–950 ramp

primary

#B4C33B

secondary

#958ECC

accent

#4BDD5B

background

#FDFDF7

surface

#FAFAEE

border

#D3D3C9

text

#14140A

muted

#83837C

Preview Lab

Preview with #B4C33B

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

Preview Lab → · Contrast checker → · Palette generator →