#B5BF37#B5BF37

#B5BF37 is a light, vivid yellow. Relative luminance 0.474; OKLCH L 77.3% C 0.154 H 113.6°. Best body text is #000000 at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#B5BF37
RGB	rgb(181, 191, 55)
HSL	hsl(64, 55%, 48%)
HSV	hsv(64, 71%, 75%)
CMYK	cmyk(5.2%, 0%, 71.2%, 25.1%)
CIE-LAB	lab(74.42, -20.19, 63.51)
CIE-LCH	lch(74.42, 66.64, 107.63°)
OKLab	oklab(77.26% -0.0617 0.141)
OKLCH	oklch(77.26% 0.154 113.6)
XYZ	xyz(38.3776, 47.3620, 10.7338)
Luminance	0.4736 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5BF37 #4137BF

analogous

#BF8537 #B5BF37 #71BF37

triadic

#B5BF37 #37B5BF #BF37B5

tetradic

#B5BF37 #37BF85 #4137BF #BF3771

square

#B5BF37 #37BF85 #4137BF #BF3771

split-complementary

#B5BF37 #3771BF #8537BF

monochromatic

#5B601C #888F29 #B5BF37 #C9D262 #DADF91

Accessibility & contrast

On white

2.01

#B5BF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.47

#B5BF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5BF37

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5BF37	#FFFFFF	#000000	##000000
##B5BF37	1.00	2.01	10.47	10.47
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.47	21.00	1.00	1.00
##000000	10.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB61E

Deuteranopia (green-blind)

#CDB842

Tritanopia (blue-blind)

#C1B4A5

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #b5bf37;
/* rgb */ color: rgb(181, 191, 55);
/* oklch */ color: oklch(77.3% 0.154 113.6);

Tailwind

colors: {
  custom: {
    50: '#cfd277',
    500: '#b5bf37',
    950: '#000000',
  },
}

SCSS

$custom: #b5bf37;
$custom-light: #cfd277;
$custom-dark: #000000;

JSON

{
  "hex": "#b5bf37",
  "rgb": {
    "r": 181,
    "g": 191,
    "b": 55
  },
  "hsl": {
    "h": 64.412,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.77256,
    "c": 0.15396,
    "h": 113.6
  },
  "luminance": 0.47361
}

Semantic roles & 50–950 ramp

primary

#B5BF37

secondary

#8C88CA

accent

#49DF54

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141409

muted

#83827B

Preview Lab

Preview with #B5BF37

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

Preview Lab → · Contrast checker → · Palette generator →