#B1B52B#B1B52B

#B1B52B is a light, vivid yellow. Relative luminance 0.426; OKLCH L 74.6% C 0.151 H 111.3°. Best body text is #000000 at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#B1B52B
RGB	rgb(177, 181, 43)
HSL	hsl(62, 62%, 44%)
HSV	hsv(62, 76%, 71%)
CMYK	cmyk(2.2%, 0%, 76.2%, 29%)
CIE-LAB	lab(71.26, -17.43, 64.46)
CIE-LCH	lch(71.26, 66.78, 105.13°)
OKLab	oklab(74.63% -0.0549 0.1411)
OKLCH	oklch(74.63% 0.151 111.3)
XYZ	xyz(35.0926, 42.5702, 8.6533)
Luminance	0.4257 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B52B #2F2BB5

analogous

#B5742B #B1B52B #6CB52B

triadic

#B1B52B #2BB1B5 #B52BB1

tetradic

#B1B52B #2BB574 #2F2BB5 #B52B6C

square

#B1B52B #2BB574 #2F2BB5 #B52B6C

split-complementary

#B1B52B #2B6CB5 #742BB5

monochromatic

#505214 #81841F #B1B52B #D0D449 #DDE07B

Accessibility & contrast

On white

2.21

#B1B52B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.51

#B1B52B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B52B

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B52B	#FFFFFF	#000000	##000000
##B1B52B	1.00	2.21	9.51	9.51
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.51	21.00	1.00	1.00
##000000	9.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD05

Deuteranopia (green-blind)

#C4B037

Tritanopia (blue-blind)

#BEA99B

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #b1b52b;
/* rgb */ color: rgb(177, 181, 43);
/* oklch */ color: oklch(74.6% 0.151 111.3);

Tailwind

colors: {
  custom: {
    50: '#ccca70',
    500: '#b1b52b',
    950: '#000000',
  },
}

SCSS

$custom: #b1b52b;
$custom-light: #ccca70;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b52b",
  "rgb": {
    "r": 177,
    "g": 181,
    "b": 43
  },
  "hsl": {
    "h": 61.739,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.74628,
    "c": 0.15139,
    "h": 111.3
  },
  "luminance": 0.42569
}

Semantic roles & 50–950 ramp

primary

#B1B52B

secondary

#7674C8

accent

#43E548

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1B52B

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

Preview Lab → · Contrast checker → · Palette generator →