#B5BC37#B5BC37

#B5BC37 is a light, vivid yellow. Relative luminance 0.461; OKLCH L 76.6% C 0.151 H 112.5°. Best body text is #000000 at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#B5BC37
RGB	rgb(181, 188, 55)
HSL	hsl(63, 55%, 48%)
HSV	hsv(63, 71%, 74%)
CMYK	cmyk(3.7%, 0%, 70.7%, 26.3%)
CIE-LAB	lab(73.59, -18.69, 62.70)
CIE-LCH	lch(73.59, 65.42, 106.60°)
OKLab	oklab(76.59% -0.0576 0.1393)
OKLCH	oklch(76.59% 0.151 112.5)
XYZ	xyz(37.7300, 46.0669, 10.5180)
Luminance	0.4607 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5BC37 #3E37BC

analogous

#BC8137 #B5BC37 #72BC37

triadic

#B5BC37 #37B5BC #BC37B5

tetradic

#B5BC37 #37BC81 #3E37BC #BC3772

square

#B5BC37 #37BC81 #3E37BC #BC3772

split-complementary

#B5BC37 #3772BC #8137BC

monochromatic

#5A5D1B #878D29 #B5BC37 #CAD060 #DADE8F

Accessibility & contrast

On white

2.06

#B5BC37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.21

#B5BC37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5BC37

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5BC37	#FFFFFF	#000000	##000000
##B5BC37	1.00	2.06	10.21	10.21
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.21	21.00	1.00	1.00
##000000	10.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB320

Deuteranopia (green-blind)

#CAB641

Tritanopia (blue-blind)

#C1B1A2

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #b5bc37;
/* rgb */ color: rgb(181, 188, 55);
/* oklch */ color: oklch(76.6% 0.151 112.5);

Tailwind

colors: {
  custom: {
    50: '#cfd077',
    500: '#b5bc37',
    950: '#000000',
  },
}

SCSS

$custom: #b5bc37;
$custom-light: #cfd077;
$custom-dark: #000000;

JSON

{
  "hex": "#b5bc37",
  "rgb": {
    "r": 181,
    "g": 188,
    "b": 55
  },
  "hsl": {
    "h": 63.158,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.7659,
    "c": 0.15076,
    "h": 112.5
  },
  "luminance": 0.46066
}

Semantic roles & 50–950 ramp

primary

#B5BC37

secondary

#8986C9

accent

#4ADE52

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141309

muted

#83827B

Preview Lab

Preview with #B5BC37

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

Preview Lab → · Contrast checker → · Palette generator →