#FDF579#FDF579

#FDF579 is a very light, vivid yellow. Relative luminance 0.876; OKLCH L 95.2% C 0.146 H 105.5°. Best body text is #000000 at 18.51:1 contrast (WCAG AA passes).

Color values

HEX	#FDF579
RGB	rgb(253, 245, 121)
HSL	hsl(56, 97%, 73%)
HSV	hsv(56, 52%, 99%)
CMYK	cmyk(0%, 3.2%, 52.2%, 0.8%)
CIE-LAB	lab(94.98, -13.03, 59.84)
CIE-LCH	lch(94.98, 61.24, 102.29°)
OKLab	oklab(95.22% -0.0389 0.1404)
OKLCH	oklch(95.22% 0.146 105.5)
XYZ	xyz(76.6138, 87.5703, 30.9525)
Luminance	0.8757 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDF579 #7981FD

analogous

#FDB379 #FDF579 #C3FD79

triadic

#FDF579 #79FDF5 #F579FD

tetradic

#FDF579 #79FDB3 #7981FD #FD79C3

square

#FDF579 #79FDB3 #7981FD #FD79C3

split-complementary

#FDF579 #79C3FD #B379FD

monochromatic

#F8E904 #FCF13D #FDF579 #FEFAB5 #FFFDE1

Accessibility & contrast

On white

1.13

#FDF579 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.51

#FDF579 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDF579

18.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDF579	#FFFFFF	#000000	##000000
##FDF579	1.00	1.13	18.51	18.51
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.51	21.00	1.00	1.00
##000000	18.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED6D

Deuteranopia (green-blind)

#FFF37F

Tritanopia (blue-blind)

#FFE7D9

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fdf579;
/* rgb */ color: rgb(253, 245, 121);
/* oklch */ color: oklch(95.2% 0.146 105.5);

Tailwind

colors: {
  custom: {
    50: '#fff8a3',
    500: '#fdf579',
    950: '#000000',
  },
}

SCSS

$custom: #fdf579;
$custom-light: #fff8a3;
$custom-dark: #000000;

JSON

{
  "hex": "#fdf579",
  "rgb": {
    "r": 253,
    "g": 245,
    "b": 121
  },
  "hsl": {
    "h": 56.364,
    "s": 97.059,
    "l": 73.333
  },
  "oklch": {
    "l": 0.95221,
    "c": 0.14565,
    "h": 105.5
  },
  "luminance": 0.87568
}

Semantic roles & 50–950 ramp

primary

#FDF579

secondary

#4049DA

accent

#0EE600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FDF579

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

Preview Lab → · Contrast checker → · Palette generator →