#FCFF64#FCFF64

#FCFF64 is a very light, vivid yellow. Relative luminance 0.931; OKLCH L 97.0% C 0.173 H 110.3°. Best body text is #000000 at 19.63:1 contrast (WCAG AA passes).

Color values

HEX	#FCFF64
RGB	rgb(252, 255, 100)
HSL	hsl(61, 100%, 70%)
HSV	hsv(61, 61%, 100%)
CMYK	cmyk(1.2%, 0%, 60.8%, 0%)
CIE-LAB	lab(97.28, -19.76, 71.38)
CIE-LCH	lch(97.28, 74.06, 105.47°)
OKLab	oklab(96.98% -0.0601 0.1626)
OKLCH	oklch(96.98% 0.173 110.3)
XYZ	xyz(78.2074, 93.1375, 25.9117)
Luminance	0.9314 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FCFF64 #6764FF

analogous

#FFB464 #FCFF64 #AFFF64

triadic

#FCFF64 #64FCFF #FF64FC

tetradic

#FCFF64 #64FFB4 #6764FF #FF64AF

square

#FCFF64 #64FFB4 #6764FF #FF64AF

split-complementary

#FCFF64 #64AFFF #B464FF

monochromatic

#E4E900 #FBFF27 #FCFF64 #FDFFA1 #FEFFDE

Accessibility & contrast

On white

1.07

#FCFF64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.63

#FCFF64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FCFF64

19.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FCFF64	#FFFFFF	#000000	##000000
##FCFF64	1.00	1.07	19.63	19.63
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.63	21.00	1.00	1.00
##000000	19.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF551

Deuteranopia (green-blind)

#FFF96E

Tritanopia (blue-blind)

#FFF0DF

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #fcff64;
/* rgb */ color: rgb(252, 255, 100);
/* oklch */ color: oklch(97.0% 0.173 110.3);

Tailwind

colors: {
  custom: {
    50: '#ffff96',
    500: '#fcff64',
    950: '#000000',
  },
}

SCSS

$custom: #fcff64;
$custom-light: #ffff96;
$custom-dark: #000000;

JSON

{
  "hex": "#fcff64",
  "rgb": {
    "r": 252,
    "g": 255,
    "b": 100
  },
  "hsl": {
    "h": 61.161,
    "s": 100,
    "l": 69.608
  },
  "oklch": {
    "l": 0.96976,
    "c": 0.17336,
    "h": 110.3
  },
  "luminance": 0.93136
}

Semantic roles & 50–950 ramp

primary

#FCFF64

secondary

#312DDA

accent

#00E604

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #FCFF64

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

Preview Lab → · Contrast checker → · Palette generator →