#BFEF51#BFEF51

#BFEF51 is a very light, vivid yellow-green. Relative luminance 0.734; OKLCH L 88.9% C 0.189 H 124.7°. Best body text is #000000 at 15.68:1 contrast (WCAG AA passes).

Color values

HEX	#BFEF51
RGB	rgb(191, 239, 81)
HSL	hsl(78, 83%, 63%)
HSV	hsv(78, 66%, 94%)
CMYK	cmyk(20.1%, 0%, 66.1%, 6.3%)
CIE-LAB	lab(88.64, -37.33, 68.43)
CIE-LCH	lch(88.64, 77.95, 118.62°)
OKLab	oklab(88.93% -0.1075 0.1551)
OKLCH	oklch(88.93% 0.189 124.7)
XYZ	xyz(53.8379, 73.4029, 19.1148)
Luminance	0.7340 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BFEF51 #8151EF

analogous

#EFD051 #BFEF51 #70EF51

triadic

#BFEF51 #51BFEF #EF51BF

tetradic

#BFEF51 #51EFD0 #8151EF #EF5170

square

#BFEF51 #51EFD0 #8151EF #EF5170

split-complementary

#BFEF51 #5170EF #D051EF

monochromatic

#83B511 #AAEA19 #BFEF51 #D4F489 #E8F9C1

Accessibility & contrast

On white

1.34

#BFEF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.68

#BFEF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BFEF51

15.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BFEF51	#FFFFFF	#000000	##000000
##BFEF51	1.00	1.34	15.68	15.68
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.68	21.00	1.00	1.00
##000000	15.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE03A

Deuteranopia (green-blind)

#F5DE5D

Tritanopia (blue-blind)

#C7E4CF

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #bfef51;
/* rgb */ color: rgb(191, 239, 81);
/* oklch */ color: oklch(88.9% 0.189 124.7);

Tailwind

colors: {
  custom: {
    50: '#d6f48a',
    500: '#bfef51',
    950: '#000000',
  },
}

SCSS

$custom: #bfef51;
$custom-light: #d6f48a;
$custom-dark: #000000;

JSON

{
  "hex": "#bfef51",
  "rgb": {
    "r": 191,
    "g": 239,
    "b": 81
  },
  "hsl": {
    "h": 78.228,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.88932,
    "c": 0.18869,
    "h": 124.7
  },
  "luminance": 0.73403
}

Semantic roles & 50–950 ramp

primary

#BFEF51

secondary

#5830B5

accent

#06E048

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170C

muted

#84857F

Preview Lab

Preview with #BFEF51

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

Preview Lab → · Contrast checker → · Palette generator →