#B4B431#B4B431

#B4B431 is a light, vivid yellow. Relative luminance 0.426; OKLCH L 74.7% C 0.146 H 109.5°. Best body text is #000000 at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#B4B431
RGB	rgb(180, 180, 49)
HSL	hsl(60, 57%, 45%)
HSV	hsv(60, 73%, 71%)
CMYK	cmyk(0%, 0%, 72.8%, 29.4%)
CIE-LAB	lab(71.26, -15.37, 62.56)
CIE-LCH	lch(71.26, 64.42, 103.81°)
OKLab	oklab(74.7% -0.0488 0.138)
OKLCH	oklch(74.7% 0.146 109.5)
XYZ	xyz(35.6993, 42.5686, 9.2412)
Luminance	0.4257 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4B431 #3131B4

analogous

#B47331 #B4B431 #73B431

triadic

#B4B431 #31B4B4 #B431B4

tetradic

#B4B431 #31B473 #3131B4 #B43173

square

#B4B431 #31B473 #3131B4 #B43173

split-complementary

#B4B431 #3173B4 #7331B4

monochromatic

#545417 #848424 #B4B431 #D0D052 #DDDD82

Accessibility & contrast

On white

2.21

#B4B431 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.51

#B4B431 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4B431

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4B431	#FFFFFF	#000000	##000000
##B4B431	1.00	2.21	9.51	9.51
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.51	21.00	1.00	1.00
##000000	9.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AC17

Deuteranopia (green-blind)

#C4B03B

Tritanopia (blue-blind)

#C1A89B

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #b4b431;
/* rgb */ color: rgb(180, 180, 49);
/* oklch */ color: oklch(74.7% 0.146 109.5);

Tailwind

colors: {
  custom: {
    50: '#ceca73',
    500: '#b4b431',
    950: '#000000',
  },
}

SCSS

$custom: #b4b431;
$custom-light: #ceca73;
$custom-dark: #000000;

JSON

{
  "hex": "#b4b431",
  "rgb": {
    "r": 180,
    "g": 180,
    "b": 49
  },
  "hsl": {
    "h": 60,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.74697,
    "c": 0.14639,
    "h": 109.5
  },
  "luminance": 0.42568
}

Semantic roles & 50–950 ramp

primary

#B4B431

secondary

#7B7BC6

accent

#47E047

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141309

muted

#83827B

Preview Lab

Preview with #B4B431

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

Preview Lab → · Contrast checker → · Palette generator →