#F7F578#F7F578

#F7F578 is a very light, vivid yellow. Relative luminance 0.864; OKLCH L 94.7% C 0.147 H 108.1°. Best body text is #000000 at 18.29:1 contrast (WCAG AA passes).

Color values

HEX	#F7F578
RGB	rgb(247, 245, 120)
HSL	hsl(59, 89%, 72%)
HSV	hsv(59, 51%, 97%)
CMYK	cmyk(0%, 0.8%, 51.4%, 3.1%)
CIE-LAB	lab(94.50, -15.48, 59.61)
CIE-LCH	lch(94.50, 61.59, 104.56°)
OKLab	oklab(94.72% -0.0457 0.1399)
OKLCH	oklch(94.72% 0.147 108.1)
XYZ	xyz(74.4022, 86.4370, 30.5304)
Luminance	0.8643 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F7F578 #787AF7

analogous

#F7B678 #F7F578 #BAF778

triadic

#F7F578 #78F7F5 #F578F7

tetradic

#F7F578 #78F7B6 #787AF7 #F778BA

square

#F7F578 #78F7B6 #787AF7 #F778BA

split-complementary

#F7F578 #78BAF7 #B678F7

monochromatic

#E7E30E #F4F13E #F7F578 #FAF9B2 #FDFDE2

Accessibility & contrast

On white

1.15

#F7F578 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.29

#F7F578 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F7F578

18.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F7F578	#FFFFFF	#000000	##000000
##F7F578	1.00	1.15	18.29	18.29
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.29	21.00	1.00	1.00
##000000	18.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED6C

Deuteranopia (green-blind)

#FFF17E

Tritanopia (blue-blind)

#FFE8D9

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #f7f578;
/* rgb */ color: rgb(247, 245, 120);
/* oklch */ color: oklch(94.7% 0.147 108.1);

Tailwind

colors: {
  custom: {
    50: '#fcf8a2',
    500: '#f7f578',
    950: '#000000',
  },
}

SCSS

$custom: #f7f578;
$custom-light: #fcf8a2;
$custom-dark: #000000;

JSON

{
  "hex": "#f7f578",
  "rgb": {
    "r": 247,
    "g": 245,
    "b": 120
  },
  "hsl": {
    "h": 59.055,
    "s": 88.811,
    "l": 71.961
  },
  "oklch": {
    "l": 0.94721,
    "c": 0.14713,
    "h": 108.1
  },
  "luminance": 0.86435
}

Semantic roles & 50–950 ramp

primary

#F7F578

secondary

#4143D3

accent

#04E500

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F7F578

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

Preview Lab → · Contrast checker → · Palette generator →