#B4B31B#B4B31B

#B4B31B is a light, vivid yellow. Relative luminance 0.420; OKLCH L 74.4% C 0.156 H 109.2°. Best body text is #000000 at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#B4B31B
RGB	rgb(180, 179, 27)
HSL	hsl(60, 74%, 41%)
HSV	hsv(60, 85%, 71%)
CMYK	cmyk(0%, 0.6%, 85%, 29.4%)
CIE-LAB	lab(70.89, -15.65, 68.57)
CIE-LCH	lch(70.89, 70.33, 102.86°)
OKLab	oklab(74.37% -0.0513 0.1469)
OKLCH	oklch(74.37% 0.156 109.2)
XYZ	xyz(35.1417, 42.0238, 7.2970)
Luminance	0.4202 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4B31B #1B1CB4

analogous

#B4661B #B4B31B #68B41B

triadic

#B4B31B #1BB4B3 #B31BB4

tetradic

#B4B31B #1BB466 #1B1CB4 #B41B68

square

#B4B31B #1BB466 #1B1CB4 #B41B68

split-complementary

#B4B31B #1B68B4 #661BB4

monochromatic

#4A490B #7F7E13 #B4B31B #DFDE2D #E7E762

Accessibility & contrast

On white

2.23

#B4B31B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.40

#B4B31B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4B31B

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4B31B	#FFFFFF	#000000	##000000
##B4B31B	1.00	2.23	9.40	9.40
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.40	21.00	1.00	1.00
##000000	9.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AB00

Deuteranopia (green-blind)

#C4B02B

Tritanopia (blue-blind)

#C2A799

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #b4b31b;
/* rgb */ color: rgb(180, 179, 27);
/* oklch */ color: oklch(74.4% 0.156 109.2);

Tailwind

colors: {
  custom: {
    50: '#cfc96a',
    500: '#b4b31b',
    950: '#000000',
  },
}

SCSS

$custom: #b4b31b;
$custom-light: #cfc96a;
$custom-dark: #000000;

JSON

{
  "hex": "#b4b31b",
  "rgb": {
    "r": 180,
    "g": 179,
    "b": 27
  },
  "hsl": {
    "h": 59.608,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.74368,
    "c": 0.15563,
    "h": 109.2
  },
  "luminance": 0.42023
}

Semantic roles & 50–950 ramp

primary

#B4B31B

secondary

#5F5FCC

accent

#38F137

background

#FDFCF6

surface

#FAF8EC

border

#D3D1C7

text

#141307

muted

#83827A

Preview Lab

Preview with #B4B31B

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

Preview Lab → · Contrast checker → · Palette generator →