#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
RGBrgb(191, 199, 55)
HSLhsl(63, 57%, 50%)
HSVhsv(63, 72%, 78%)
CMYKcmyk(4%, 0%, 72.4%, 22%)
CIE-LABlab(77.40, -19.94, 66.65)
CIE-LCHlch(77.40, 69.57, 106.66°)
OKLaboklab(79.83% -0.0616 0.1473)
OKLCHoklch(79.83% 0.16 112.7)
XYZxyz(42.6002, 52.2000, 11.4452)
Luminance0.5220 (WCAG relative)
Temperaturewarm
Familyyellow

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
##BFC7371.001.8411.4411.44
#FFFFFF1.841.0021.0021.00
#00000011.4421.001.001.00
##00000011.4421.001.001.00

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 →

#BFC737 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva