#BFC737#BFC737

#BFC737 is a light, vivid yellow. Relative luminance 0.522; OKLCH L 79.8% C 0.160 H 112.7°. Best body text is #000000 at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#BFC737
RGB	rgb(191, 199, 55)
HSL	hsl(63, 57%, 50%)
HSV	hsv(63, 72%, 78%)
CMYK	cmyk(4%, 0%, 72.4%, 22%)
CIE-LAB	lab(77.40, -19.94, 66.65)
CIE-LCH	lch(77.40, 69.57, 106.66°)
OKLab	oklab(79.83% -0.0616 0.1473)
OKLCH	oklch(79.83% 0.16 112.7)
XYZ	xyz(42.6002, 52.2000, 11.4452)
Luminance	0.5220 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BFC737 #3F37C7

analogous

#C78737 #BFC737 #77C737

triadic

#BFC737 #37BFC7 #C737BF

tetradic

#BFC737 #37C787 #3F37C7 #C73777

square

#BFC737 #37C787 #3F37C7 #C73777

split-complementary

#BFC737 #3777C7 #8737C7

monochromatic

#63671C #91972A #BFC737 #CFD566 #DEE296

Accessibility & contrast

On white

1.84

#BFC737 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.44

#BFC737 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BFC737

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BFC737	#FFFFFF	#000000	##000000
##BFC737	1.00	1.84	11.44	11.44
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.44	21.00	1.00	1.00
##000000	11.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE1B

Deuteranopia (green-blind)

#D6C143

Tritanopia (blue-blind)

#CCBBAB

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #bfc737;
/* rgb */ color: rgb(191, 199, 55);
/* oklch */ color: oklch(79.8% 0.160 112.7);

Tailwind

colors: {
  custom: {
    50: '#d6d778',
    500: '#bfc737',
    950: '#000000',
  },
}

SCSS

$custom: #bfc737;
$custom-light: #d6d778;
$custom-dark: #000000;

JSON

{
  "hex": "#bfc737",
  "rgb": {
    "r": 191,
    "g": 199,
    "b": 55
  },
  "hsl": {
    "h": 63.333,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.79833,
    "c": 0.1597,
    "h": 112.7
  },
  "luminance": 0.52199
}

Semantic roles & 50–950 ramp

primary

#BFC737

secondary

#343171

accent

#48E050

background

#FEFEFB

surface

#FCFBF1

border

#D5D4CB

text

#15140A

muted

#84837D

Preview Lab

Preview with #BFC737

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

Preview Lab → · Contrast checker → · Palette generator →