#FCFF99#FCFF99

#FCFF99 is a very light, vivid yellow. Relative luminance 0.945; OKLCH L 97.6% C 0.125 H 110.0°. Best body text is #000000 at 19.90:1 contrast (WCAG AA passes).

Color values

HEX	#FCFF99
RGB	rgb(252, 255, 153)
HSL	hsl(62, 100%, 80%)
HSV	hsv(62, 40%, 100%)
CMYK	cmyk(1.2%, 0%, 40%, 0%)
CIE-LAB	lab(97.84, -15.37, 48.33)
CIE-LCH	lch(97.84, 50.72, 107.64°)
OKLab	oklab(97.6% -0.0426 0.1173)
OKLCH	oklch(97.6% 0.125 110)
XYZ	xyz(81.6558, 94.5169, 44.0729)
Luminance	0.9452 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FCFF99 #9C99FF

analogous

#FFCF99 #FCFF99 #C9FF99

triadic

#FCFF99 #99FCFF #FF99FC

tetradic

#FCFF99 #99FFCF #9C99FF #FF99C9

square

#FCFF99 #99FFCF #9C99FF #FF99C9

split-complementary

#FCFF99 #99C9FF #CF99FF

monochromatic

#F8FF1F #FAFF5C #FCFF99 #FEFFD6 #FEFFE0

Accessibility & contrast

On white

1.06

#FCFF99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.90

#FCFF99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FCFF99

19.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FCFF99	#FFFFFF	#000000	##000000
##FCFF99	1.00	1.06	19.90	19.90
#FFFFFF	1.06	1.00	21.00	21.00
#000000	19.90	21.00	1.00	1.00
##000000	19.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF791

Deuteranopia (green-blind)

#FFFA9E

Tritanopia (blue-blind)

#FFF4E6

Achromatopsia (no color)

#F9F9F9

Design tokens & code

CSS

--color: #fcff99;
/* rgb */ color: rgb(252, 255, 153);
/* oklch */ color: oklch(97.6% 0.125 110.0);

Tailwind

colors: {
  custom: {
    50: '#ffffb8',
    500: '#fcff99',
    950: '#000000',
  },
}

SCSS

$custom: #fcff99;
$custom-light: #ffffb8;
$custom-dark: #000000;

JSON

{
  "hex": "#fcff99",
  "rgb": {
    "r": 252,
    "g": 255,
    "b": 153
  },
  "hsl": {
    "h": 61.765,
    "s": 100,
    "l": 80
  },
  "oklch": {
    "l": 0.976,
    "c": 0.12479,
    "h": 110
  },
  "luminance": 0.94515
}

Semantic roles & 50–950 ramp

primary

#FCFF99

secondary

#5E5AE2

accent

#00E607

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#181711

muted

#868581

Preview Lab

Preview with #FCFF99

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

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