#B1B533#B1B533

#B1B533 is a light, vivid yellow. Relative luminance 0.426; OKLCH L 74.7% C 0.147 H 111.2°. Best body text is #000000 at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#B1B533
RGB	rgb(177, 181, 51)
HSL	hsl(62, 56%, 45%)
HSV	hsv(62, 72%, 71%)
CMYK	cmyk(2.2%, 0%, 71.8%, 29%)
CIE-LAB	lab(71.31, -17.07, 61.81)
CIE-LCH	lch(71.31, 64.13, 105.44°)
OKLab	oklab(74.68% -0.0532 0.1369)
OKLCH	oklch(74.68% 0.147 111.2)
XYZ	xyz(35.2540, 42.6348, 9.5036)
Luminance	0.4263 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B533 #3733B5

analogous

#B57833 #B1B533 #70B533

triadic

#B1B533 #33B1B5 #B533B1

tetradic

#B1B533 #33B578 #3733B5 #B53370

square

#B1B533 #33B578 #3733B5 #B53370

split-complementary

#B1B533 #3370B5 #7833B5

monochromatic

#545618 #828526 #B1B533 #CCCF56 #DADD86

Accessibility & contrast

On white

2.20

#B1B533 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.53

#B1B533 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B533

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B533	#FFFFFF	#000000	##000000
##B1B533	1.00	2.20	9.53	9.53
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.53	21.00	1.00	1.00
##000000	9.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD1B

Deuteranopia (green-blind)

#C4B03D

Tritanopia (blue-blind)

#BDAA9C

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #b1b533;
/* rgb */ color: rgb(177, 181, 51);
/* oklch */ color: oklch(74.7% 0.147 111.2);

Tailwind

colors: {
  custom: {
    50: '#ccca74',
    500: '#b1b533',
    950: '#000000',
  },
}

SCSS

$custom: #b1b533;
$custom-light: #ccca74;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b533",
  "rgb": {
    "r": 177,
    "g": 181,
    "b": 51
  },
  "hsl": {
    "h": 61.846,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.74678,
    "c": 0.14687,
    "h": 111.2
  },
  "luminance": 0.42634
}

Semantic roles & 50–950 ramp

primary

#B1B533

secondary

#807DC6

accent

#48DF4D

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#141309

muted

#82827B

Preview Lab

Preview with #B1B533

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

Preview Lab → · Contrast checker → · Palette generator →