#FCFF55#FCFF55

#FCFF55 is a very light, vivid yellow. Relative luminance 0.929; OKLCH L 96.9% C 0.184 H 110.4°. Best body text is #000000 at 19.57:1 contrast (WCAG AA passes).

Color values

HEX	#FCFF55
RGB	rgb(252, 255, 85)
HSL	hsl(61, 100%, 67%)
HSV	hsv(61, 67%, 100%)
CMYK	cmyk(1.2%, 0%, 66.7%, 0%)
CIE-LAB	lab(97.18, -20.62, 77.01)
CIE-LCH	lch(97.18, 79.72, 104.99°)
OKLab	oklab(96.86% -0.064 0.1723)
OKLCH	oklch(96.86% 0.184 110.4)
XYZ	xyz(77.5471, 92.8734, 22.4340)
Luminance	0.9287 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FCFF55 #5855FF

analogous

#FFAD55 #FCFF55 #A7FF55

triadic

#FCFF55 #55FCFF #FF55FC

tetradic

#FCFF55 #55FFAD #5855FF #FF55A7

square

#FCFF55 #55FFAD #5855FF #FF55A7

split-complementary

#FCFF55 #55A7FF #AD55FF

monochromatic

#D6DA00 #FBFF18 #FCFF55 #FDFF92 #FEFFCF

Accessibility & contrast

On white

1.07

#FCFF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.57

#FCFF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FCFF55

19.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FCFF55	#FFFFFF	#000000	##000000
##FCFF55	1.00	1.07	19.57	19.57
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.57	21.00	1.00	1.00
##000000	19.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF43B

Deuteranopia (green-blind)

#FFF961

Tritanopia (blue-blind)

#FFF0DD

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #fcff55;
/* rgb */ color: rgb(252, 255, 85);
/* oklch */ color: oklch(96.9% 0.184 110.4);

Tailwind

colors: {
  custom: {
    50: '#ffff8e',
    500: '#fcff55',
    950: '#000000',
  },
}

SCSS

$custom: #fcff55;
$custom-light: #ffff8e;
$custom-dark: #000000;

JSON

{
  "hex": "#fcff55",
  "rgb": {
    "r": 252,
    "g": 255,
    "b": 85
  },
  "hsl": {
    "h": 61.059,
    "s": 100,
    "l": 66.667
  },
  "oklch": {
    "l": 0.96856,
    "c": 0.18378,
    "h": 110.4
  },
  "luminance": 0.92871
}

Semantic roles & 50–950 ramp

primary

#FCFF55

secondary

#2825D3

accent

#00E604

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#19170D

muted

#87857F

Preview Lab

Preview with #FCFF55

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

Preview Lab → · Contrast checker → · Palette generator →