#B4C531#B4C531

#B4C531 is a light, vivid yellow. Relative luminance 0.499; OKLCH L 78.5% C 0.164 H 116.1°. Best body text is #000000 at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#B4C531
RGB	rgb(180, 197, 49)
HSL	hsl(67, 60%, 48%)
HSV	hsv(67, 75%, 77%)
CMYK	cmyk(8.6%, 0%, 75.1%, 22.7%)
CIE-LAB	lab(75.98, -23.84, 67.00)
CIE-LCH	lch(75.98, 71.12, 109.59°)
OKLab	oklab(78.48% -0.0723 0.1474)
OKLCH	oklch(78.48% 0.164 116.1)
XYZ	xyz(39.3441, 49.8581, 10.4561)
Luminance	0.4986 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C531 #4231C5

analogous

#C58C31 #B4C531 #6AC531

triadic

#B4C531 #31B4C5 #C531B4

tetradic

#B4C531 #31C58C #4231C5 #C5316A

square

#B4C531 #31C58C #4231C5 #C5316A

split-complementary

#B4C531 #316AC5 #8C31C5

monochromatic

#5A6319 #879425 #B4C531 #C9D75D #D9E38E

Accessibility & contrast

On white

1.91

#B4C531 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.97

#B4C531 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C531

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C531	#FFFFFF	#000000	##000000
##B4C531	1.00	1.91	10.97	10.97
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.97	21.00	1.00	1.00
##000000	10.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB0C

Deuteranopia (green-blind)

#D2BC3E

Tritanopia (blue-blind)

#C0BAA9

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b4c531;
/* rgb */ color: rgb(180, 197, 49);
/* oklch */ color: oklch(78.5% 0.164 116.1);

Tailwind

colors: {
  custom: {
    50: '#ced675',
    500: '#b4c531',
    950: '#000000',
  },
}

SCSS

$custom: #b4c531;
$custom-light: #ced675;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c531",
  "rgb": {
    "r": 180,
    "g": 197,
    "b": 49
  },
  "hsl": {
    "h": 66.892,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.78479,
    "c": 0.16421,
    "h": 116.1
  },
  "luminance": 0.49858
}

Semantic roles & 50–950 ramp

primary

#B4C531

secondary

#8D85CD

accent

#44E357

background

#FDFDF7

surface

#FAFAED

border

#D3D3C8

text

#141409

muted

#83837B

Preview Lab

Preview with #B4C531

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

Preview Lab → · Contrast checker → · Palette generator →