#B4A31F#B4A31F

#B4A31F is a light, vivid yellow. Relative luminance 0.360; OKLCH L 70.9% C 0.140 H 101.3°. Best body text is #000000 at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#B4A31F
RGB	rgb(180, 163, 31)
HSL	hsl(53, 71%, 41%)
HSV	hsv(53, 83%, 71%)
CMYK	cmyk(0%, 9.4%, 82.8%, 29.4%)
CIE-LAB	lab(66.52, -7.24, 63.91)
CIE-LCH	lch(66.52, 64.32, 96.46°)
OKLab	oklab(70.89% -0.0276 0.1375)
OKLCH	oklch(70.89% 0.14 101.3)
XYZ	xyz(32.1685, 35.9982, 6.5500)
Luminance	0.3600 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4A31F #1F30B4

analogous

#B4591F #B4A31F #7BB41F

triadic

#B4A31F #1FB4A3 #A31FB4

tetradic

#B4A31F #1FB459 #1F30B4 #B41F7B

square

#B4A31F #1FB459 #1F30B4 #B41F7B

split-complementary

#B4A31F #1F7BB4 #591FB4

monochromatic

#4C440D #807416 #B4A31F #DCC934 #E5D768

Accessibility & contrast

On white

2.56

#B4A31F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.20

#B4A31F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4A31F

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4A31F	#FFFFFF	#000000	##000000
##B4A31F	1.00	2.56	8.20	8.20
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.20	21.00	1.00	1.00
##000000	8.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39E00

Deuteranopia (green-blind)

#B8A52A

Tritanopia (blue-blind)

#C2968B

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #b4a31f;
/* rgb */ color: rgb(180, 163, 31);
/* oklch */ color: oklch(70.9% 0.140 101.3);

Tailwind

colors: {
  custom: {
    50: '#cfbd69',
    500: '#b4a31f',
    950: '#000000',
  },
}

SCSS

$custom: #b4a31f;
$custom-light: #cfbd69;
$custom-dark: #000000;

JSON

{
  "hex": "#b4a31f",
  "rgb": {
    "r": 180,
    "g": 163,
    "b": 31
  },
  "hsl": {
    "h": 53.154,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.70891,
    "c": 0.14023,
    "h": 101.3
  },
  "luminance": 0.35997
}

Semantic roles & 50–950 ramp

primary

#B4A31F

secondary

#6470CB

accent

#4FED3A

background

#FDFBF6

surface

#FAF6EB

border

#D3D0C6

text

#141207

muted

#83817A

Preview Lab

Preview with #B4A31F

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

Preview Lab → · Contrast checker → · Palette generator →