#B1B730#B1B730

#B1B730 is a light, vivid yellow. Relative luminance 0.434; OKLCH L 75.1% C 0.151 H 112.1°. Best body text is #000000 at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#B1B730
RGB	rgb(177, 183, 48)
HSL	hsl(63, 58%, 45%)
HSV	hsv(63, 74%, 72%)
CMYK	cmyk(3.3%, 0%, 73.8%, 28.2%)
CIE-LAB	lab(71.84, -18.22, 63.37)
CIE-LCH	lch(71.84, 65.94, 106.04°)
OKLab	oklab(75.1% -0.0567 0.1397)
OKLCH	oklch(75.1% 0.151 112.1)
XYZ	xyz(35.5996, 43.4284, 9.3029)
Luminance	0.4343 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B730 #3630B7

analogous

#B77A30 #B1B730 #6DB730

triadic

#B1B730 #30B1B7 #B730B1

tetradic

#B1B730 #30B77A #3630B7 #B7306D

square

#B1B730 #30B77A #3630B7 #B7306D

split-complementary

#B1B730 #306DB7 #7A30B7

monochromatic

#535617 #828723 #B1B730 #CCD252 #DADE83

Accessibility & contrast

On white

2.17

#B1B730 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.69

#B1B730 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B730

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B730	#FFFFFF	#000000	##000000
##B1B730	1.00	2.17	9.69	9.69
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.69	21.00	1.00	1.00
##000000	9.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AE13

Deuteranopia (green-blind)

#C6B23B

Tritanopia (blue-blind)

#BDAC9D

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #b1b730;
/* rgb */ color: rgb(177, 183, 48);
/* oklch */ color: oklch(75.1% 0.151 112.1);

Tailwind

colors: {
  custom: {
    50: '#cccc73',
    500: '#b1b730',
    950: '#000000',
  },
}

SCSS

$custom: #b1b730;
$custom-light: #cccc73;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b730",
  "rgb": {
    "r": 177,
    "g": 183,
    "b": 48
  },
  "hsl": {
    "h": 62.667,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.75103,
    "c": 0.15072,
    "h": 112.1
  },
  "luminance": 0.43427
}

Semantic roles & 50–950 ramp

primary

#B1B730

secondary

#7F7BC8

accent

#46E24D

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141309

muted

#83827B

Preview Lab

Preview with #B1B730

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

Preview Lab → · Contrast checker → · Palette generator →