#B1B733#B1B733

#B1B733 is a light, vivid yellow. Relative luminance 0.435; OKLCH L 75.1% C 0.149 H 112.1°. Best body text is #000000 at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#B1B733
RGB	rgb(177, 183, 51)
HSL	hsl(63, 56%, 46%)
HSV	hsv(63, 72%, 72%)
CMYK	cmyk(3.3%, 0%, 72.1%, 28.2%)
CIE-LAB	lab(71.86, -18.08, 62.35)
CIE-LCH	lch(71.86, 64.92, 106.17°)
OKLab	oklab(75.12% -0.056 0.138)
OKLCH	oklch(75.12% 0.149 112.1)
XYZ	xyz(35.6636, 43.4540, 9.6401)
Luminance	0.4345 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B733 #3933B7

analogous

#B77B33 #B1B733 #6FB733

triadic

#B1B733 #33B1B7 #B733B1

tetradic

#B1B733 #33B77B #3933B7 #B7336F

square

#B1B733 #33B77B #3933B7 #B7336F

split-complementary

#B1B733 #336FB7 #7B33B7

monochromatic

#545718 #838726 #B1B733 #CBD057 #DADE87

Accessibility & contrast

On white

2.17

#B1B733 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.69

#B1B733 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B733

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B733	#FFFFFF	#000000	##000000
##B1B733	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)

#C5AE1A

Deuteranopia (green-blind)

#C5B23D

Tritanopia (blue-blind)

#BDAC9D

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #b1b733;
/* rgb */ color: rgb(177, 183, 51);
/* oklch */ color: oklch(75.1% 0.149 112.1);

Tailwind

colors: {
  custom: {
    50: '#cccc74',
    500: '#b1b733',
    950: '#000000',
  },
}

SCSS

$custom: #b1b733;
$custom-light: #cccc74;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b733",
  "rgb": {
    "r": 177,
    "g": 183,
    "b": 51
  },
  "hsl": {
    "h": 62.727,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.75122,
    "c": 0.14896,
    "h": 112.1
  },
  "luminance": 0.43453
}

Semantic roles & 50–950 ramp

primary

#B1B733

secondary

#827FC7

accent

#48E04F

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#141309

muted

#82827B

Preview Lab

Preview with #B1B733

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

Preview Lab → · Contrast checker → · Palette generator →