#BFBF37#BFBF37

#BFBF37 is a light, vivid yellow. Relative luminance 0.486; OKLCH L 78.1% C 0.152 H 109.4°. Best body text is #000000 at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#BFBF37
RGB	rgb(191, 191, 55)
HSL	hsl(60, 55%, 48%)
HSV	hsv(60, 71%, 75%)
CMYK	cmyk(0%, 0%, 71.2%, 25.1%)
CIE-LAB	lab(75.21, -15.95, 64.54)
CIE-LCH	lch(75.21, 66.49, 103.88°)
OKLab	oklab(78.08% -0.0505 0.1429)
OKLCH	oklch(78.08% 0.152 109.4)
XYZ	xyz(40.8077, 48.6150, 10.8477)
Luminance	0.4861 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BFBF37 #3737BF

analogous

#BF7B37 #BFBF37 #7BBF37

triadic

#BFBF37 #37BFBF #BF37BF

tetradic

#BFBF37 #37BF7B #3737BF #BF377B

square

#BFBF37 #37BF7B #3737BF #BF377B

split-complementary

#BFBF37 #377BBF #7B37BF

monochromatic

#60601C #8F8F29 #BFBF37 #D2D262 #DFDF91

Accessibility & contrast

On white

1.96

#BFBF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.72

#BFBF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BFBF37

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BFBF37	#FFFFFF	#000000	##000000
##BFBF37	1.00	1.96	10.72	10.72
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.72	21.00	1.00	1.00
##000000	10.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB71E

Deuteranopia (green-blind)

#D0BB41

Tritanopia (blue-blind)

#CDB3A5

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #bfbf37;
/* rgb */ color: rgb(191, 191, 55);
/* oklch */ color: oklch(78.1% 0.152 109.4);

Tailwind

colors: {
  custom: {
    50: '#d6d277',
    500: '#bfbf37',
    950: '#000000',
  },
}

SCSS

$custom: #bfbf37;
$custom-light: #d6d277;
$custom-dark: #000000;

JSON

{
  "hex": "#bfbf37",
  "rgb": {
    "r": 191,
    "g": 191,
    "b": 55
  },
  "hsl": {
    "h": 60,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.78082,
    "c": 0.15155,
    "h": 109.4
  },
  "luminance": 0.48614
}

Semantic roles & 50–950 ramp

primary

#BFBF37

secondary

#8888CA

accent

#49DF49

background

#FDFCF7

surface

#FBF9EE

border

#D4D2C9

text

#151409

muted

#83827B

Preview Lab

Preview with #BFBF37

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

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