#BFC739#BFC739

#BFC739 is a light, vivid yellow. Relative luminance 0.522; OKLCH L 79.8% C 0.159 H 112.7°. Best body text is #000000 at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#BFC739
RGB	rgb(191, 199, 57)
HSL	hsl(63, 56%, 50%)
HSV	hsv(63, 71%, 78%)
CMYK	cmyk(4%, 0%, 71.4%, 22%)
CIE-LAB	lab(77.41, -19.85, 65.96)
CIE-LCH	lch(77.41, 68.89, 106.75°)
OKLab	oklab(79.85% -0.0612 0.1463)
OKLCH	oklch(79.85% 0.159 112.7)
XYZ	xyz(42.6491, 52.2196, 11.7028)
Luminance	0.5222 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BFC739 #4139C7

analogous

#C78839 #BFC739 #78C739

triadic

#BFC739 #39BFC7 #C739BF

tetradic

#BFC739 #39C788 #4139C7 #C73978

square

#BFC739 #39C788 #4139C7 #C73978

split-complementary

#BFC739 #3978C7 #8839C7

monochromatic

#64681D #92982B #BFC739 #CED469 #DEE298

Accessibility & contrast

On white

1.84

#BFC739 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.44

#BFC739 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BFC739

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BFC739	#FFFFFF	#000000	##000000
##BFC739	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)

#D6BE1F

Deuteranopia (green-blind)

#D6C144

Tritanopia (blue-blind)

#CCBBAB

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #bfc739;
/* rgb */ color: rgb(191, 199, 57);
/* oklch */ color: oklch(79.8% 0.159 112.7);

Tailwind

colors: {
  custom: {
    50: '#d6d779',
    500: '#bfc739',
    950: '#000000',
  },
}

SCSS

$custom: #bfc739;
$custom-light: #d6d779;
$custom-dark: #000000;

JSON

{
  "hex": "#bfc739",
  "rgb": {
    "r": 191,
    "g": 199,
    "b": 57
  },
  "hsl": {
    "h": 63.38,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.79846,
    "c": 0.15852,
    "h": 112.7
  },
  "luminance": 0.52219
}

Semantic roles & 50–950 ramp

primary

#BFC739

secondary

#363272

accent

#49DF51

background

#FEFEFB

surface

#FCFBF2

border

#D5D4CC

text

#15140A

muted

#84837D

Preview Lab

Preview with #BFC739

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

Preview Lab → · Contrast checker → · Palette generator →