#B1B52E#B1B52E

#B1B52E is a light, vivid yellow. Relative luminance 0.426; OKLCH L 74.6% C 0.150 H 111.3°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#B1B52E
RGB	rgb(177, 181, 46)
HSL	hsl(62, 59%, 45%)
HSV	hsv(62, 75%, 71%)
CMYK	cmyk(2.2%, 0%, 74.6%, 29%)
CIE-LAB	lab(71.28, -17.31, 63.51)
CIE-LCH	lch(71.28, 65.82, 105.24°)
OKLab	oklab(74.65% -0.0543 0.1396)
OKLCH	oklch(74.65% 0.15 111.3)
XYZ	xyz(35.1497, 42.5930, 8.9539)
Luminance	0.4259 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B52E #322EB5

analogous

#B5762E #B1B52E #6EB52E

triadic

#B1B52E #2EB1B5 #B52EB1

tetradic

#B1B52E #2EB576 #322EB5 #B52E6E

square

#B1B52E #2EB576 #322EB5 #B52E6E

split-complementary

#B1B52E #2E6EB5 #762EB5

monochromatic

#525315 #818422 #B1B52E #CED24E #DCDE7F

Accessibility & contrast

On white

2.21

#B1B52E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#B1B52E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B52E

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B52E	#FFFFFF	#000000	##000000
##B1B52E	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)

#C3AD0F

Deuteranopia (green-blind)

#C4B039

Tritanopia (blue-blind)

#BDAA9B

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #b1b52e;
/* rgb */ color: rgb(177, 181, 46);
/* oklch */ color: oklch(74.6% 0.150 111.3);

Tailwind

colors: {
  custom: {
    50: '#ccca71',
    500: '#b1b52e',
    950: '#000000',
  },
}

SCSS

$custom: #b1b52e;
$custom-light: #ccca71;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b52e",
  "rgb": {
    "r": 177,
    "g": 181,
    "b": 46
  },
  "hsl": {
    "h": 61.778,
    "s": 59.471,
    "l": 44.51
  },
  "oklch": {
    "l": 0.74646,
    "c": 0.14978,
    "h": 111.3
  },
  "luminance": 0.42592
}

Semantic roles & 50–950 ramp

primary

#B1B52E

secondary

#7A78C7

accent

#45E34A

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1B52E

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

Preview Lab → · Contrast checker → · Palette generator →