#FCFF3F#FCFF3F

#FCFF3F is a very light, vivid yellow. Relative luminance 0.926; OKLCH L 96.7% C 0.196 H 110.5°. Best body text is #000000 at 19.51:1 contrast (WCAG AA passes).

Color values

HEX	#FCFF3F
RGB	rgb(252, 255, 63)
HSL	hsl(61, 100%, 62%)
HSV	hsv(61, 75%, 100%)
CMYK	cmyk(1.2%, 0%, 75.3%, 0%)
CIE-LAB	lab(97.06, -21.59, 84.10)
CIE-LCH	lch(97.06, 86.83, 104.40°)
OKLab	oklab(96.72% -0.0686 0.1836)
OKLCH	oklch(96.72% 0.196 110.5)
XYZ	xyz(76.8049, 92.5765, 18.5249)
Luminance	0.9257 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FCFF3F #423FFF

analogous

#FFA23F #FCFF3F #9CFF3F

triadic

#FCFF3F #3FFCFF #FF3FFC

tetradic

#FCFF3F #3FFFA2 #423FFF #FF3F9C

square

#FCFF3F #3FFFA2 #423FFF #FF3F9C

split-complementary

#FCFF3F #3F9CFF #A23FFF

monochromatic

#C1C400 #FBFF02 #FCFF3F #FDFF7C #FEFFB9

Accessibility & contrast

On white

1.08

#FCFF3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.51

#FCFF3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FCFF3F

19.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FCFF3F	#FFFFFF	#000000	##000000
##FCFF3F	1.00	1.08	19.51	19.51
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.51	21.00	1.00	1.00
##000000	19.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF401

Deuteranopia (green-blind)

#FFF950

Tritanopia (blue-blind)

#FFEFDB

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #fcff3f;
/* rgb */ color: rgb(252, 255, 63);
/* oklch */ color: oklch(96.7% 0.196 110.5);

Tailwind

colors: {
  custom: {
    50: '#ffff83',
    500: '#fcff3f',
    950: '#000000',
  },
}

SCSS

$custom: #fcff3f;
$custom-light: #ffff83;
$custom-dark: #000000;

JSON

{
  "hex": "#fcff3f",
  "rgb": {
    "r": 252,
    "g": 255,
    "b": 63
  },
  "hsl": {
    "h": 60.938,
    "s": 100,
    "l": 62.353
  },
  "oklch": {
    "l": 0.96721,
    "c": 0.19605,
    "h": 110.5
  },
  "luminance": 0.92574
}

Semantic roles & 50–950 ramp

primary

#FCFF3F

secondary

#2422C0

accent

#00E604

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#19170C

muted

#87857F

Preview Lab

Preview with #FCFF3F

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

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