#B5BF39#B5BF39

#B5BF39 is a light, vivid yellow. Relative luminance 0.474; OKLCH L 77.3% C 0.153 H 113.7°. Best body text is #000000 at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#B5BF39
RGB	rgb(181, 191, 57)
HSL	hsl(64, 54%, 49%)
HSV	hsv(64, 70%, 75%)
CMYK	cmyk(5.2%, 0%, 70.2%, 25.1%)
CIE-LAB	lab(74.43, -20.08, 62.80)
CIE-LCH	lch(74.43, 65.93, 107.73°)
OKLab	oklab(77.27% -0.0613 0.1399)
OKLCH	oklch(77.27% 0.153 113.7)
XYZ	xyz(38.4265, 47.3815, 10.9914)
Luminance	0.4738 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5BF39 #4339BF

analogous

#BF8639 #B5BF39 #72BF39

triadic

#B5BF39 #39B5BF #BF39B5

tetradic

#B5BF39 #39BF86 #4339BF #BF3972

square

#B5BF39 #39BF86 #4339BF #BF3972

split-complementary

#B5BF39 #3972BF #8639BF

monochromatic

#5C611D #88902B #B5BF39 #C9D164 #D9DF93

Accessibility & contrast

On white

2.00

#B5BF39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.48

#B5BF39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5BF39

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5BF39	#FFFFFF	#000000	##000000
##B5BF39	1.00	2.00	10.48	10.48
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.48	21.00	1.00	1.00
##000000	10.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB622

Deuteranopia (green-blind)

#CDB843

Tritanopia (blue-blind)

#C1B4A5

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #b5bf39;
/* rgb */ color: rgb(181, 191, 57);
/* oklch */ color: oklch(77.3% 0.153 113.7);

Tailwind

colors: {
  custom: {
    50: '#ced278',
    500: '#b5bf39',
    950: '#000000',
  },
}

SCSS

$custom: #b5bf39;
$custom-light: #ced278;
$custom-dark: #000000;

JSON

{
  "hex": "#b5bf39",
  "rgb": {
    "r": 181,
    "g": 191,
    "b": 57
  },
  "hsl": {
    "h": 64.478,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.7727,
    "c": 0.1527,
    "h": 113.7
  },
  "luminance": 0.47381
}

Semantic roles & 50–950 ramp

primary

#B5BF39

secondary

#8F8ACA

accent

#4ADD55

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141409

muted

#83827B

Preview Lab

Preview with #B5BF39

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

Preview Lab → · Contrast checker → · Palette generator →