#B5BC39#B5BC39

#B5BC39 is a light, vivid yellow. Relative luminance 0.461; OKLCH L 76.6% C 0.149 H 112.5°. Best body text is #000000 at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#B5BC39
RGB	rgb(181, 188, 57)
HSL	hsl(63, 53%, 48%)
HSV	hsv(63, 70%, 74%)
CMYK	cmyk(3.7%, 0%, 69.7%, 26.3%)
CIE-LAB	lab(73.60, -18.59, 61.98)
CIE-LCH	lch(73.60, 64.70, 106.69°)
OKLab	oklab(76.6% -0.0571 0.1381)
OKLCH	oklch(76.6% 0.149 112.5)
XYZ	xyz(37.7789, 46.0865, 10.7756)
Luminance	0.4609 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5BC39 #4039BC

analogous

#BC8139 #B5BC39 #73BC39

triadic

#B5BC39 #39B5BC #BC39B5

tetradic

#B5BC39 #39BC81 #4039BC #BC3973

square

#B5BC39 #39BC81 #4039BC #BC3973

split-complementary

#B5BC39 #3973BC #8139BC

monochromatic

#5B5E1D #888D2B #B5BC39 #CAD063 #DADE92

Accessibility & contrast

On white

2.06

#B5BC39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.22

#B5BC39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5BC39

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5BC39	#FFFFFF	#000000	##000000
##B5BC39	1.00	2.06	10.22	10.22
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.22	21.00	1.00	1.00
##000000	10.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB323

Deuteranopia (green-blind)

#CAB643

Tritanopia (blue-blind)

#C1B1A2

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #b5bc39;
/* rgb */ color: rgb(181, 188, 57);
/* oklch */ color: oklch(76.6% 0.149 112.5);

Tailwind

colors: {
  custom: {
    50: '#ced078',
    500: '#b5bc39',
    950: '#000000',
  },
}

SCSS

$custom: #b5bc39;
$custom-light: #ced078;
$custom-dark: #000000;

JSON

{
  "hex": "#b5bc39",
  "rgb": {
    "r": 181,
    "g": 188,
    "b": 57
  },
  "hsl": {
    "h": 63.206,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.76604,
    "c": 0.14947,
    "h": 112.5
  },
  "luminance": 0.46086
}

Semantic roles & 50–950 ramp

primary

#B5BC39

secondary

#8B88C9

accent

#4BDD53

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141309

muted

#83827B

Preview Lab

Preview with #B5BC39

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

Preview Lab → · Contrast checker → · Palette generator →