#B4B539#B4B539

#B4B539 is a light, vivid yellow. Relative luminance 0.430; OKLCH L 75.0% C 0.142 H 109.8°. Best body text is #000000 at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#B4B539
RGB	rgb(180, 181, 57)
HSL	hsl(60, 52%, 47%)
HSV	hsv(60, 69%, 71%)
CMYK	cmyk(0.6%, 0%, 68.5%, 29%)
CIE-LAB	lab(71.59, -15.48, 59.95)
CIE-LCH	lch(71.59, 61.91, 104.48°)
OKLab	oklab(74.97% -0.0483 0.1339)
OKLCH	oklch(74.97% 0.142 109.8)
XYZ	xyz(36.0860, 43.0475, 10.2782)
Luminance	0.4305 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4B539 #3A39B5

analogous

#B57839 #B4B539 #76B539

triadic

#B4B539 #39B4B5 #B539B4

tetradic

#B4B539 #39B578 #3A39B5 #B53976

square

#B4B539 #39B578 #3A39B5 #B53976

split-complementary

#B4B539 #3976B5 #7839B5

monochromatic

#57581C #86862A #B4B539 #CCCD5F #DBDB8D

Accessibility & contrast

On white

2.19

#B4B539 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.61

#B4B539 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4B539

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4B539	#FFFFFF	#000000	##000000
##B4B539	1.00	2.19	9.61	9.61
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.61	21.00	1.00	1.00
##000000	9.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD26

Deuteranopia (green-blind)

#C5B142

Tritanopia (blue-blind)

#C1AA9C

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #b4b539;
/* rgb */ color: rgb(180, 181, 57);
/* oklch */ color: oklch(75.0% 0.142 109.8);

Tailwind

colors: {
  custom: {
    50: '#ceca77',
    500: '#b4b539',
    950: '#000000',
  },
}

SCSS

$custom: #b4b539;
$custom-light: #ceca77;
$custom-dark: #000000;

JSON

{
  "hex": "#b4b539",
  "rgb": {
    "r": 180,
    "g": 181,
    "b": 57
  },
  "hsl": {
    "h": 60.484,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.74974,
    "c": 0.14236,
    "h": 109.8
  },
  "luminance": 0.43046
}

Semantic roles & 50–950 ramp

primary

#B4B539

secondary

#8584C6

accent

#4CDC4D

background

#FDFCF7

surface

#FAF8EE

border

#D3D1C9

text

#141309

muted

#83827B

Preview Lab

Preview with #B4B539

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

Preview Lab → · Contrast checker → · Palette generator →