#FCFF58#FCFF58

#FCFF58 is a very light, vivid yellow. Relative luminance 0.929; OKLCH L 96.9% C 0.182 H 110.4°. Best body text is #000000 at 19.58:1 contrast (WCAG AA passes).

Color values

HEX	#FCFF58
RGB	rgb(252, 255, 88)
HSL	hsl(61, 100%, 67%)
HSV	hsv(61, 65%, 100%)
CMYK	cmyk(1.2%, 0%, 65.5%, 0%)
CIE-LAB	lab(97.20, -20.46, 75.92)
CIE-LCH	lch(97.20, 78.63, 105.08°)
OKLab	oklab(96.88% -0.0633 0.1705)
OKLCH	oklch(96.88% 0.182 110.4)
XYZ	xyz(77.6688, 92.9221, 23.0750)
Luminance	0.9292 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FCFF58 #5B58FF

analogous

#FFAF58 #FCFF58 #A8FF58

triadic

#FCFF58 #58FCFF #FF58FC

tetradic

#FCFF58 #58FFAF #5B58FF #FF58A8

square

#FCFF58 #58FFAF #5B58FF #FF58A8

split-complementary

#FCFF58 #58A8FF #AF58FF

monochromatic

#D9DD00 #FBFF1B #FCFF58 #FDFF95 #FEFFD2

Accessibility & contrast

On white

1.07

#FCFF58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.58

#FCFF58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FCFF58

19.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FCFF58	#FFFFFF	#000000	##000000
##FCFF58	1.00	1.07	19.58	19.58
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.58	21.00	1.00	1.00
##000000	19.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF440

Deuteranopia (green-blind)

#FFF963

Tritanopia (blue-blind)

#FFF0DD

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #fcff58;
/* rgb */ color: rgb(252, 255, 88);
/* oklch */ color: oklch(96.9% 0.182 110.4);

Tailwind

colors: {
  custom: {
    50: '#ffff90',
    500: '#fcff58',
    950: '#000000',
  },
}

SCSS

$custom: #fcff58;
$custom-light: #ffff90;
$custom-dark: #000000;

JSON

{
  "hex": "#fcff58",
  "rgb": {
    "r": 252,
    "g": 255,
    "b": 88
  },
  "hsl": {
    "h": 61.078,
    "s": 100,
    "l": 67.255
  },
  "oklch": {
    "l": 0.96879,
    "c": 0.18183,
    "h": 110.4
  },
  "luminance": 0.9292
}

Semantic roles & 50–950 ramp

primary

#FCFF58

secondary

#2926D6

accent

#00E604

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#19170D

muted

#87857F

Preview Lab

Preview with #FCFF58

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

Preview Lab → · Contrast checker → · Palette generator →