#B4C43A#B4C43A

#B4C43A is a light, vivid yellow. Relative luminance 0.495; OKLCH L 78.3% C 0.158 H 115.9°. Best body text is #000000 at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#B4C43A
RGB	rgb(180, 196, 58)
HSL	hsl(67, 54%, 50%)
HSV	hsv(67, 70%, 77%)
CMYK	cmyk(8.2%, 0%, 70.4%, 23.1%)
CIE-LAB	lab(75.75, -22.91, 63.71)
CIE-LCH	lch(75.75, 67.70, 109.78°)
OKLab	oklab(78.31% -0.069 0.142)
OKLCH	oklch(78.31% 0.158 115.9)
XYZ	xyz(39.3270, 49.4892, 11.4828)
Luminance	0.4949 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C43A #4A3AC4

analogous

#C48F3A #B4C43A #6FC43A

triadic

#B4C43A #3AB4C4 #C43AB4

tetradic

#B4C43A #3AC48F #4A3AC4 #C43A6F

square

#B4C43A #3AC48F #4A3AC4 #C43A6F

split-complementary

#B4C43A #3A6FC4 #8F3AC4

monochromatic

#5D661E #89952C #B4C43A #C6D369 #D8E098

Accessibility & contrast

On white

1.93

#B4C43A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.90

#B4C43A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C43A

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C43A	#FFFFFF	#000000	##000000
##B4C43A	1.00	1.93	10.90	10.90
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.90	21.00	1.00	1.00
##000000	10.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BA22

Deuteranopia (green-blind)

#D0BC45

Tritanopia (blue-blind)

#BFB9A9

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b4c43a;
/* rgb */ color: rgb(180, 196, 58);
/* oklch */ color: oklch(78.3% 0.158 115.9);

Tailwind

colors: {
  custom: {
    50: '#ced579',
    500: '#b4c43a',
    950: '#000000',
  },
}

SCSS

$custom: #b4c43a;
$custom-light: #ced579;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c43a",
  "rgb": {
    "r": 180,
    "g": 196,
    "b": 58
  },
  "hsl": {
    "h": 66.957,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.78313,
    "c": 0.15786,
    "h": 115.9
  },
  "luminance": 0.49489
}

Semantic roles & 50–950 ramp

primary

#B4C43A

secondary

#958ECC

accent

#4ADE5B

background

#FDFDF7

surface

#FAFAEE

border

#D3D3C9

text

#14140A

muted

#83837C

Preview Lab

Preview with #B4C43A

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

Preview Lab → · Contrast checker → · Palette generator →