#BFC63B#BFC63B

#BFC63B is a light, vivid yellow. Relative luminance 0.518; OKLCH L 79.6% C 0.156 H 112.3°. Best body text is #000000 at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#BFC63B
RGB	rgb(191, 198, 59)
HSL	hsl(63, 55%, 50%)
HSV	hsv(63, 70%, 78%)
CMYK	cmyk(3.5%, 0%, 70.2%, 22.4%)
CIE-LAB	lab(77.15, -19.25, 65.00)
CIE-LCH	lch(77.15, 67.79, 106.50°)
OKLab	oklab(79.64% -0.0593 0.1445)
OKLCH	oklch(79.64% 0.156 112.3)
XYZ	xyz(42.4707, 51.7813, 11.8944)
Luminance	0.5178 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BFC63B #423BC6

analogous

#C6883B #BFC63B #79C63B

triadic

#BFC63B #3BBFC6 #C63BBF

tetradic

#BFC63B #3BC688 #423BC6 #C63B79

square

#BFC63B #3BC688 #423BC6 #C63B79

split-complementary

#BFC63B #3B79C6 #883BC6

monochromatic

#65681E #92982C #BFC63B #CED46A #DEE29A

Accessibility & contrast

On white

1.85

#BFC63B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.36

#BFC63B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BFC63B

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BFC63B	#FFFFFF	#000000	##000000
##BFC63B	1.00	1.85	11.36	11.36
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.36	21.00	1.00	1.00
##000000	11.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD23

Deuteranopia (green-blind)

#D5C046

Tritanopia (blue-blind)

#CCBAAB

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #bfc63b;
/* rgb */ color: rgb(191, 198, 59);
/* oklch */ color: oklch(79.6% 0.156 112.3);

Tailwind

colors: {
  custom: {
    50: '#d6d77a',
    500: '#bfc63b',
    950: '#000000',
  },
}

SCSS

$custom: #bfc63b;
$custom-light: #d6d77a;
$custom-dark: #000000;

JSON

{
  "hex": "#bfc63b",
  "rgb": {
    "r": 191,
    "g": 198,
    "b": 59
  },
  "hsl": {
    "h": 63.022,
    "s": 54.941,
    "l": 50.392
  },
  "oklch": {
    "l": 0.7964,
    "c": 0.15624,
    "h": 112.3
  },
  "luminance": 0.5178
}

Semantic roles & 50–950 ramp

primary

#BFC63B

secondary

#363372

accent

#4ADE51

background

#FEFEFB

surface

#FCFBF2

border

#D5D4CC

text

#15140A

muted

#84837D

Preview Lab

Preview with #BFC63B

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

Preview Lab → · Contrast checker → · Palette generator →