#B1B52C#B1B52C

#B1B52C 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 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#B1B52C
RGB	rgb(177, 181, 44)
HSL	hsl(62, 61%, 44%)
HSV	hsv(62, 76%, 71%)
CMYK	cmyk(2.2%, 0%, 75.7%, 29%)
CIE-LAB	lab(71.27, -17.39, 64.15)
CIE-LCH	lch(71.27, 66.47, 105.17°)
OKLab	oklab(74.63% -0.0547 0.1406)
OKLCH	oklch(74.63% 0.151 111.3)
XYZ	xyz(35.1112, 42.5776, 8.7511)
Luminance	0.4258 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B52C #302CB5

analogous

#B5752C #B1B52C #6DB52C

triadic

#B1B52C #2CB1B5 #B52CB1

tetradic

#B1B52C #2CB575 #302CB5 #B52C6D

square

#B1B52C #2CB575 #302CB5 #B52C6D

split-complementary

#B1B52C #2C6DB5 #752CB5

monochromatic

#515314 #818420 #B1B52C #CFD34B #DCDF7C

Accessibility & contrast

On white

2.21

#B1B52C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#B1B52C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B52C

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B52C	#FFFFFF	#000000	##000000
##B1B52C	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD08

Deuteranopia (green-blind)

#C4B038

Tritanopia (blue-blind)

#BEA99B

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #b1b52c;
/* rgb */ color: rgb(177, 181, 44);
/* oklch */ color: oklch(74.6% 0.151 111.3);

Tailwind

colors: {
  custom: {
    50: '#ccca70',
    500: '#b1b52c',
    950: '#000000',
  },
}

SCSS

$custom: #b1b52c;
$custom-light: #ccca70;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b52c",
  "rgb": {
    "r": 177,
    "g": 181,
    "b": 44
  },
  "hsl": {
    "h": 61.752,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.74634,
    "c": 0.15086,
    "h": 111.3
  },
  "luminance": 0.42577
}

Semantic roles & 50–950 ramp

primary

#B1B52C

secondary

#7875C8

accent

#44E448

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1B52C

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

Preview Lab → · Contrast checker → · Palette generator →