#B1B131#B1B131

#B1B131 is a light, vivid yellow. Relative luminance 0.410; OKLCH L 73.8% C 0.144 H 109.5°. Best body text is #000000 at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#B1B131
RGB	rgb(177, 177, 49)
HSL	hsl(60, 57%, 44%)
HSV	hsv(60, 72%, 69%)
CMYK	cmyk(0%, 0%, 72.3%, 30.6%)
CIE-LAB	lab(70.19, -15.14, 61.45)
CIE-LCH	lch(70.19, 63.28, 103.84°)
OKLab	oklab(73.78% -0.048 0.1358)
OKLCH	oklch(73.78% 0.144 109.5)
XYZ	xyz(34.4092, 41.0142, 9.0091)
Luminance	0.4101 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B131 #3131B1

analogous

#B17131 #B1B131 #71B131

triadic

#B1B131 #31B1B1 #B131B1

tetradic

#B1B131 #31B171 #3131B1 #B13171

square

#B1B131 #31B171 #3131B1 #B13171

split-complementary

#B1B131 #3171B1 #7131B1

monochromatic

#515116 #818124 #B1B131 #CFCF51 #DCDC80

Accessibility & contrast

On white

2.28

#B1B131 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.20

#B1B131 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B131

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B131	#FFFFFF	#000000	##000000
##B1B131	1.00	2.28	9.20	9.20
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.20	21.00	1.00	1.00
##000000	9.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA919

Deuteranopia (green-blind)

#C1AD3B

Tritanopia (blue-blind)

#BEA698

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #b1b131;
/* rgb */ color: rgb(177, 177, 49);
/* oklch */ color: oklch(73.8% 0.144 109.5);

Tailwind

colors: {
  custom: {
    50: '#ccc872',
    500: '#b1b131',
    950: '#000000',
  },
}

SCSS

$custom: #b1b131;
$custom-light: #ccc872;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b131",
  "rgb": {
    "r": 177,
    "g": 177,
    "b": 49
  },
  "hsl": {
    "h": 60,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.73778,
    "c": 0.144,
    "h": 109.5
  },
  "luminance": 0.41013
}

Semantic roles & 50–950 ramp

primary

#B1B131

secondary

#7979C5

accent

#48E048

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1B131

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

Preview Lab → · Contrast checker → · Palette generator →