#B1B72A#B1B72A

#B1B72A is a light, vivid yellow. Relative luminance 0.434; OKLCH L 75.1% C 0.154 H 112.1°. Best body text is #000000 at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#B1B72A
RGB	rgb(177, 183, 42)
HSL	hsl(63, 63%, 44%)
HSV	hsv(63, 77%, 72%)
CMYK	cmyk(3.3%, 0%, 77%, 28.2%)
CIE-LAB	lab(71.81, -18.48, 65.28)
CIE-LCH	lch(71.81, 67.84, 105.81°)
OKLab	oklab(75.07% -0.0579 0.1426)
OKLCH	oklch(75.07% 0.154 112.1)
XYZ	xyz(35.4841, 43.3821, 8.6944)
Luminance	0.4338 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B72A #302AB7

analogous

#B7772A #B1B72A #6BB72A

triadic

#B1B72A #2AB1B7 #B72AB1

tetradic

#B1B72A #2AB777 #302AB7 #B72A6B

square

#B1B72A #2AB777 #302AB7 #B72A6B

split-complementary

#B1B72A #2A6BB7 #772AB7

monochromatic

#515313 #81851F #B1B72A #CFD549 #DCE17B

Accessibility & contrast

On white

2.17

#B1B72A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.68

#B1B72A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B72A

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B72A	#FFFFFF	#000000	##000000
##B1B72A	1.00	2.17	9.68	9.68
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.68	21.00	1.00	1.00
##000000	9.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AE00

Deuteranopia (green-blind)

#C6B237

Tritanopia (blue-blind)

#BDAB9D

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #b1b72a;
/* rgb */ color: rgb(177, 183, 42);
/* oklch */ color: oklch(75.1% 0.154 112.1);

Tailwind

colors: {
  custom: {
    50: '#cccc70',
    500: '#b1b72a',
    950: '#000000',
  },
}

SCSS

$custom: #b1b72a;
$custom-light: #cccc70;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b72a",
  "rgb": {
    "r": 177,
    "g": 183,
    "b": 42
  },
  "hsl": {
    "h": 62.553,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.75068,
    "c": 0.15394,
    "h": 112.1
  },
  "luminance": 0.43381
}

Semantic roles & 50–950 ramp

primary

#B1B72A

secondary

#7874C9

accent

#42E649

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1B72A

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

Preview Lab → · Contrast checker → · Palette generator →