#F8F578#F8F578

#F8F578 is a very light, vivid yellow. Relative luminance 0.866; OKLCH L 94.8% C 0.147 H 107.7°. Best body text is #000000 at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#F8F578
RGB	rgb(248, 245, 120)
HSL	hsl(59, 90%, 72%)
HSV	hsv(59, 52%, 97%)
CMYK	cmyk(0%, 1.2%, 51.6%, 2.7%)
CIE-LAB	lab(94.58, -15.09, 59.72)
CIE-LCH	lch(94.58, 61.60, 104.18°)
OKLab	oklab(94.8% -0.0446 0.1401)
OKLCH	oklch(94.8% 0.147 107.7)
XYZ	xyz(74.7559, 86.6193, 30.5469)
Luminance	0.8662 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F8F578 #787BF8

analogous

#F8B578 #F8F578 #BBF878

triadic

#F8F578 #78F8F5 #F578F8

tetradic

#F8F578 #78F8B5 #787BF8 #F878BB

square

#F8F578 #78F8B5 #787BF8 #F878BB

split-complementary

#F8F578 #78BBF8 #B578F8

monochromatic

#E9E40C #F5F13E #F8F578 #FBF9B2 #FDFDE2

Accessibility & contrast

On white

1.15

#F8F578 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.32

#F8F578 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F8F578

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F8F578	#FFFFFF	#000000	##000000
##F8F578	1.00	1.15	18.32	18.32
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.32	21.00	1.00	1.00
##000000	18.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED6C

Deuteranopia (green-blind)

#FFF27E

Tritanopia (blue-blind)

#FFE8D9

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #f8f578;
/* rgb */ color: rgb(248, 245, 120);
/* oklch */ color: oklch(94.8% 0.147 107.7);

Tailwind

colors: {
  custom: {
    50: '#fdf8a2',
    500: '#f8f578',
    950: '#000000',
  },
}

SCSS

$custom: #f8f578;
$custom-light: #fdf8a2;
$custom-dark: #000000;

JSON

{
  "hex": "#f8f578",
  "rgb": {
    "r": 248,
    "g": 245,
    "b": 120
  },
  "hsl": {
    "h": 58.594,
    "s": 90.141,
    "l": 72.157
  },
  "oklch": {
    "l": 0.94801,
    "c": 0.14701,
    "h": 107.7
  },
  "luminance": 0.86617
}

Semantic roles & 50–950 ramp

primary

#F8F578

secondary

#4044D4

accent

#05E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F8F578

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

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