#BFC637#BFC637

#BFC637 is a light, vivid yellow. Relative luminance 0.517; OKLCH L 79.6% C 0.159 H 112.3°. Best body text is #000000 at 11.35:1 contrast (WCAG AA passes).

Color values

HEX#BFC637
RGBrgb(191, 198, 55)
HSLhsl(63, 57%, 50%)
HSVhsv(63, 72%, 78%)
CMYKcmyk(3.5%, 0%, 72.2%, 22.4%)
CIE-LABlab(77.13, -19.45, 66.38)
CIE-LCHlch(77.13, 69.17, 106.33°)
OKLaboklab(79.61% -0.0602 0.1468)
OKLCHoklch(79.61% 0.159 112.3)
XYZxyz(42.3709, 51.7414, 11.3688)
Luminance0.5174 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BFC637 #3E37C6
analogous
#C68637 #BFC637 #78C637
triadic
#BFC637 #37BFC6 #C637BF
tetradic
#BFC637 #37C686 #3E37C6 #C63778
square
#BFC637 #37C686 #3E37C6 #C63778
split-complementary
#BFC637 #3778C6 #8637C6
monochromatic
#63661C #91962A #BFC637 #CFD466 #DEE296

Accessibility & contrast

On white

1.85
#BFC637 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.35
#BFC637 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BFC637
11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BFC637#FFFFFF#000000##000000
##BFC6371.001.8511.3511.35
#FFFFFF1.851.0021.0021.00
#00000011.3521.001.001.00
##00000011.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#D5BD1B
Deuteranopia (green-blind)
#D5C042
Tritanopia (blue-blind)
#CCBAAA
Achromatopsia (no color)
#BEBEBE

Design tokens & code

CSS
--color: #bfc637;
/* rgb */ color: rgb(191, 198, 55);
/* oklch */ color: oklch(79.6% 0.159 112.3);
Tailwind
colors: {
  custom: {
    50: '#d6d778',
    500: '#bfc637',
    950: '#000000',
  },
}
SCSS
$custom: #bfc637;
$custom-light: #d6d778;
$custom-dark: #000000;
JSON
{
  "hex": "#bfc637",
  "rgb": {
    "r": 191,
    "g": 198,
    "b": 55
  },
  "hsl": {
    "h": 62.937,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.79613,
    "c": 0.15867,
    "h": 112.3
  },
  "luminance": 0.5174
}

Semantic roles & 50–950 ramp

primary
#BFC637
secondary
#343170
accent
#48E04F
background
#FEFEFB
surface
#FCFBF1
border
#D5D4CB
text
#151409
muted
#84837D

Preview Lab

Preview with #BFC637

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

Preview Lab → · Contrast checker → · Palette generator →

#BFC637 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva