#B1B31D#B1B31D

#B1B31D is a light, vivid yellow. Relative luminance 0.417; OKLCH L 74.1% C 0.156 H 110.5°. Best body text is #000000 at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#B1B31D
RGB	rgb(177, 179, 29)
HSL	hsl(61, 72%, 41%)
HSV	hsv(61, 84%, 70%)
CMYK	cmyk(1.1%, 0%, 83.8%, 29.8%)
CIE-LAB	lab(70.65, -16.90, 67.81)
CIE-LCH	lch(70.65, 69.88, 104.00°)
OKLab	oklab(74.12% -0.0545 0.1458)
OKLCH	oklch(74.12% 0.156 110.5)
XYZ	xyz(34.4747, 41.6770, 7.3906)
Luminance	0.4168 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B31D #1F1DB3

analogous

#B36A1D #B1B31D #66B31D

triadic

#B1B31D #1DB1B3 #B31DB1

tetradic

#B1B31D #1DB36A #1F1DB3 #B31D66

square

#B1B31D #1DB36A #1F1DB3 #B31D66

split-complementary

#B1B31D #1D66B3 #6A1DB3

monochromatic

#494A0C #7D7E14 #B1B31D #DBDD30 #E4E664

Accessibility & contrast

On white

2.25

#B1B31D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.34

#B1B31D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B31D

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B31D	#FFFFFF	#000000	##000000
##B1B31D	1.00	2.25	9.34	9.34
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.34	21.00	1.00	1.00
##000000	9.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AB00

Deuteranopia (green-blind)

#C3AF2D

Tritanopia (blue-blind)

#BEA799

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #b1b31d;
/* rgb */ color: rgb(177, 179, 29);
/* oklch */ color: oklch(74.1% 0.156 110.5);

Tailwind

colors: {
  custom: {
    50: '#ccc96a',
    500: '#b1b31d',
    950: '#000000',
  },
}

SCSS

$custom: #b1b31d;
$custom-light: #ccc96a;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b31d",
  "rgb": {
    "r": 177,
    "g": 179,
    "b": 29
  },
  "hsl": {
    "h": 60.8,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.74118,
    "c": 0.15561,
    "h": 110.5
  },
  "luminance": 0.41676
}

Semantic roles & 50–950 ramp

primary

#B1B31D

secondary

#6261CB

accent

#39EF3B

background

#FDFCF6

surface

#FAF8EC

border

#D3D1C7

text

#141307

muted

#83827A

Preview Lab

Preview with #B1B31D

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

Preview Lab → · Contrast checker → · Palette generator →