#BFC640#BFC640

#BFC640 is a light, vivid yellow. Relative luminance 0.518; OKLCH L 79.7% C 0.153 H 112.3°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX#BFC640
RGBrgb(191, 198, 64)
HSLhsl(63, 54%, 51%)
HSVhsv(63, 68%, 78%)
CMYKcmyk(3.5%, 0%, 67.7%, 22.4%)
CIE-LABlab(77.18, -18.99, 63.17)
CIE-LCHlch(77.18, 65.96, 106.73°)
OKLaboklab(79.68% -0.0581 0.1415)
OKLCHoklch(79.68% 0.153 112.3)
XYZxyz(42.6066, 51.8357, 12.6104)
Luminance0.5183 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BFC640 #4740C6
analogous
#C68A40 #BFC640 #7CC640
triadic
#BFC640 #40BFC6 #C640BF
tetradic
#BFC640 #40C68A #4740C6 #C6407C
square
#BFC640 #40C68A #4740C6 #C6407C
split-complementary
#BFC640 #407CC6 #8A40C6
monochromatic
#686C20 #959B2E #BFC640 #CFD46F #DFE29E

Accessibility & contrast

On white

1.85
#BFC640 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.37
#BFC640 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BFC640
11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BFC640#FFFFFF#000000##000000
##BFC6401.001.8511.3711.37
#FFFFFF1.851.0021.0021.00
#00000011.3721.001.001.00
##00000011.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#D5BD2C
Deuteranopia (green-blind)
#D5C04A
Tritanopia (blue-blind)
#CCBAAB
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #bfc640;
/* rgb */ color: rgb(191, 198, 64);
/* oklch */ color: oklch(79.7% 0.153 112.3);
Tailwind
colors: {
  custom: {
    50: '#d6d77d',
    500: '#bfc640',
    950: '#000000',
  },
}
SCSS
$custom: #bfc640;
$custom-light: #d6d77d;
$custom-dark: #000000;
JSON
{
  "hex": "#bfc640",
  "rgb": {
    "r": 191,
    "g": 198,
    "b": 64
  },
  "hsl": {
    "h": 63.134,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.79677,
    "c": 0.15298,
    "h": 112.3
  },
  "luminance": 0.51835
}

Semantic roles & 50–950 ramp

primary
#BFC640
secondary
#383575
accent
#4ADD52
background
#FEFEFB
surface
#FCFBF2
border
#D5D4CC
text
#15140A
muted
#84837D

Preview Lab

Preview with #BFC640

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

Preview Lab → · Contrast checker → · Palette generator →

#BFC640 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva