#BFCF51#BFCF51

#BFCF51 is a light, vivid yellow. Relative luminance 0.563; OKLCH L 81.8% C 0.150 H 115.9°. Best body text is #000000 at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#BFCF51
RGB	rgb(191, 207, 81)
HSL	hsl(68, 57%, 56%)
HSV	hsv(68, 61%, 81%)
CMYK	cmyk(7.7%, 0%, 60.9%, 18.8%)
CIE-LAB	lab(79.78, -22.34, 59.03)
CIE-LCH	lch(79.78, 63.11, 110.73°)
OKLab	oklab(81.8% -0.0658 0.1353)
OKLCH	oklch(81.8% 0.15 115.9)
XYZ	xyz(45.2848, 56.2967, 16.2638)
Luminance	0.5630 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BFCF51 #6151CF

analogous

#CFA051 #BFCF51 #80CF51

triadic

#BFCF51 #51BFCF #CF51BF

tetradic

#BFCF51 #51CFA0 #6151CF #CF5180

square

#BFCF51 #51CFA0 #6151CF #CF5180

split-complementary

#BFCF51 #5180CF #A051CF

monochromatic

#768224 #A1B231 #BFCF51 #D1DC81 #E2E9B1

Accessibility & contrast

On white

1.71

#BFCF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.26

#BFCF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BFCF51

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BFCF51	#FFFFFF	#000000	##000000
##BFCF51	1.00	1.71	12.26	12.26
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.26	21.00	1.00	1.00
##000000	12.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC542

Deuteranopia (green-blind)

#DBC759

Tritanopia (blue-blind)

#CAC4B4

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #bfcf51;
/* rgb */ color: rgb(191, 207, 81);
/* oklch */ color: oklch(81.8% 0.150 115.9);

Tailwind

colors: {
  custom: {
    50: '#d5dd87',
    500: '#bfcf51',
    950: '#000000',
  },
}

SCSS

$custom: #bfcf51;
$custom-light: #d5dd87;
$custom-dark: #000000;

JSON

{
  "hex": "#bfcf51",
  "rgb": {
    "r": 191,
    "g": 207,
    "b": 81
  },
  "hsl": {
    "h": 67.619,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.81801,
    "c": 0.1504,
    "h": 115.9
  },
  "luminance": 0.56296
}

Semantic roles & 50–950 ramp

primary

#BFCF51

secondary

#453B89

accent

#48E05B

background

#FEFEFC

surface

#FBFCF3

border

#D4D5CD

text

#15150C

muted

#84847F

Preview Lab

Preview with #BFCF51

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

Preview Lab → · Contrast checker → · Palette generator →