#FDF478#FDF478

#FDF478 is a very light, vivid yellow. Relative luminance 0.869; OKLCH L 95.0% C 0.146 H 105.1°. Best body text is #000000 at 18.39:1 contrast (WCAG AA passes).

Color values

HEX	#FDF478
RGB	rgb(253, 244, 120)
HSL	hsl(56, 97%, 73%)
HSV	hsv(56, 53%, 99%)
CMYK	cmyk(0%, 3.6%, 52.6%, 0.8%)
CIE-LAB	lab(94.71, -12.62, 59.98)
CIE-LCH	lch(94.71, 61.29, 101.88°)
OKLab	oklab(95.01% -0.0378 0.1406)
OKLCH	oklch(95.01% 0.146 105.1)
XYZ	xyz(76.2511, 86.9424, 30.5306)
Luminance	0.8694 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDF478 #7881FD

analogous

#FDB178 #FDF478 #C3FD78

triadic

#FDF478 #78FDF4 #F478FD

tetradic

#FDF478 #78FDB1 #7881FD #FD78C3

square

#FDF478 #78FDB1 #7881FD #FD78C3

split-complementary

#FDF478 #78C3FD #B178FD

monochromatic

#F7E604 #FCEF3C #FDF478 #FEF9B4 #FFFDE1

Accessibility & contrast

On white

1.14

#FDF478 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.39

#FDF478 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDF478

18.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDF478	#FFFFFF	#000000	##000000
##FDF478	1.00	1.14	18.39	18.39
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.39	21.00	1.00	1.00
##000000	18.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC6C

Deuteranopia (green-blind)

#FFF37E

Tritanopia (blue-blind)

#FFE6D8

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #fdf478;
/* rgb */ color: rgb(253, 244, 120);
/* oklch */ color: oklch(95.0% 0.146 105.1);

Tailwind

colors: {
  custom: {
    50: '#fff7a2',
    500: '#fdf478',
    950: '#000000',
  },
}

SCSS

$custom: #fdf478;
$custom-light: #fff7a2;
$custom-dark: #000000;

JSON

{
  "hex": "#fdf478",
  "rgb": {
    "r": 253,
    "g": 244,
    "b": 120
  },
  "hsl": {
    "h": 55.94,
    "s": 97.08,
    "l": 73.137
  },
  "oklch": {
    "l": 0.95006,
    "c": 0.14557,
    "h": 105.1
  },
  "luminance": 0.8694
}

Semantic roles & 50–950 ramp

primary

#FDF478

secondary

#3F49DA

accent

#10E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FDF478

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

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