#BCFF51#BCFF51

#BCFF51 is a very light, highly saturated yellow-green. Relative luminance 0.828; OKLCH L 92.4% C 0.209 H 128.3°. Best body text is #000000 at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#BCFF51
RGB	rgb(188, 255, 81)
HSL	hsl(83, 100%, 66%)
HSV	hsv(83, 68%, 100%)
CMYK	cmyk(26.3%, 0%, 68.2%, 0%)
CIE-LAB	lab(92.93, -45.46, 72.79)
CIE-LCH	lch(92.93, 85.82, 121.99°)
OKLab	oklab(92.36% -0.1296 0.1643)
OKLCH	oklch(92.36% 0.209 128.3)
XYZ	xyz(57.9842, 82.8041, 20.7108)
Luminance	0.8280 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BCFF51 #9451FF

analogous

#FFEB51 #BCFF51 #65FF51

triadic

#BCFF51 #51BCFF #FF51BC

tetradic

#BCFF51 #51FFEB #9451FF #FF5165

square

#BCFF51 #51FFEB #9451FF #FF5165

split-complementary

#BCFF51 #5165FF #EB51FF

monochromatic

#83D600 #A4FF14 #BCFF51 #D4FF8E #EBFFCB

Accessibility & contrast

On white

1.20

#BCFF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.56

#BCFF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BCFF51

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BCFF51	#FFFFFF	#000000	##000000
##BCFF51	1.00	1.20	17.56	17.56
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.56	21.00	1.00	1.00
##000000	17.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE36

Deuteranopia (green-blind)

#FFE960

Tritanopia (blue-blind)

#C2F4DC

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #bcff51;
/* rgb */ color: rgb(188, 255, 81);
/* oklch */ color: oklch(92.4% 0.209 128.3);

Tailwind

colors: {
  custom: {
    50: '#d4ff8b',
    500: '#bcff51',
    950: '#000000',
  },
}

SCSS

$custom: #bcff51;
$custom-light: #d4ff8b;
$custom-dark: #000000;

JSON

{
  "hex": "#bcff51",
  "rgb": {
    "r": 188,
    "g": 255,
    "b": 81
  },
  "hsl": {
    "h": 83.103,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.92362,
    "c": 0.20927,
    "h": 128.3
  },
  "luminance": 0.82805
}

Semantic roles & 50–950 ramp

primary

#BCFF51

secondary

#6625D0

accent

#00E658

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#15180D

muted

#84867F

Preview Lab

Preview with #BCFF51

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

Preview Lab → · Contrast checker → · Palette generator →