#FDF580#FDF580

#FDF580 is a very light, vivid yellow. Relative luminance 0.877; OKLCH L 95.3% C 0.139 H 105.2°. Best body text is #000000 at 18.55:1 contrast (WCAG AA passes).

Color values

HEX	#FDF580
RGB	rgb(253, 245, 128)
HSL	hsl(56, 97%, 75%)
HSV	hsv(56, 49%, 99%)
CMYK	cmyk(0%, 3.2%, 49.4%, 0.8%)
CIE-LAB	lab(95.05, -12.46, 56.73)
CIE-LCH	lch(95.05, 58.08, 102.38°)
OKLab	oklab(95.31% -0.0365 0.1342)
OKLCH	oklch(95.31% 0.139 105.2)
XYZ	xyz(77.0587, 87.7482, 33.2958)
Luminance	0.8775 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDF580 #8088FD

analogous

#FDB780 #FDF580 #C7FD80

triadic

#FDF580 #80FDF5 #F580FD

tetradic

#FDF580 #80FDB7 #8088FD #FD80C7

square

#FDF580 #80FDB7 #8088FD #FD80C7

split-complementary

#FDF580 #80C7FD #B780FD

monochromatic

#FBEC07 #FCF044 #FDF580 #FEFABC #FFFDE1

Accessibility & contrast

On white

1.13

#FDF580 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.55

#FDF580 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDF580

18.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDF580	#FFFFFF	#000000	##000000
##FDF580	1.00	1.13	18.55	18.55
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.55	21.00	1.00	1.00
##000000	18.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE75

Deuteranopia (green-blind)

#FFF386

Tritanopia (blue-blind)

#FFE8DA

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fdf580;
/* rgb */ color: rgb(253, 245, 128);
/* oklch */ color: oklch(95.3% 0.139 105.2);

Tailwind

colors: {
  custom: {
    50: '#fff8a7',
    500: '#fdf580',
    950: '#000000',
  },
}

SCSS

$custom: #fdf580;
$custom-light: #fff8a7;
$custom-dark: #000000;

JSON

{
  "hex": "#fdf580",
  "rgb": {
    "r": 253,
    "g": 245,
    "b": 128
  },
  "hsl": {
    "h": 56.16,
    "s": 96.899,
    "l": 74.706
  },
  "oklch": {
    "l": 0.95305,
    "c": 0.13912,
    "h": 105.2
  },
  "luminance": 0.87746
}

Semantic roles & 50–950 ramp

primary

#FDF580

secondary

#464FDB

accent

#0FE600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FDF580

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

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