#FEF579#FEF579

#FEF579 is a very light, vivid yellow. Relative luminance 0.878; OKLCH L 95.3% C 0.146 H 105.1°. Best body text is #000000 at 18.55:1 contrast (WCAG AA passes).

Color values

HEX	#FEF579
RGB	rgb(254, 245, 121)
HSL	hsl(56, 99%, 74%)
HSV	hsv(56, 52%, 100%)
CMYK	cmyk(0%, 3.5%, 52.4%, 0.4%)
CIE-LAB	lab(95.06, -12.64, 59.95)
CIE-LCH	lch(95.06, 61.27, 101.90°)
OKLab	oklab(95.3% -0.0378 0.1406)
OKLCH	oklch(95.3% 0.146 105.1)
XYZ	xyz(76.9789, 87.7585, 30.9696)
Luminance	0.8776 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF579 #7982FE

analogous

#FEB279 #FEF579 #C4FE79

triadic

#FEF579 #79FEF5 #F579FE

tetradic

#FEF579 #79FEB2 #7982FE #FE79C4

square

#FEF579 #79FEB2 #7982FE #FE79C4

split-complementary

#FEF579 #79C4FE #B279FE

monochromatic

#FBEA02 #FEF03C #FEF579 #FEFAB6 #FFFDE1

Accessibility & contrast

On white

1.13

#FEF579 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.55

#FEF579 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF579

18.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF579	#FFFFFF	#000000	##000000
##FEF579	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)

#FFED6D

Deuteranopia (green-blind)

#FFF47F

Tritanopia (blue-blind)

#FFE7D9

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fef579;
/* rgb */ color: rgb(254, 245, 121);
/* oklch */ color: oklch(95.3% 0.146 105.1);

Tailwind

colors: {
  custom: {
    50: '#fff8a3',
    500: '#fef579',
    950: '#000000',
  },
}

SCSS

$custom: #fef579;
$custom-light: #fff8a3;
$custom-dark: #000000;

JSON

{
  "hex": "#fef579",
  "rgb": {
    "r": 254,
    "g": 245,
    "b": 121
  },
  "hsl": {
    "h": 55.94,
    "s": 98.519,
    "l": 73.529
  },
  "oklch": {
    "l": 0.95303,
    "c": 0.14559,
    "h": 105.1
  },
  "luminance": 0.87756
}

Semantic roles & 50–950 ramp

primary

#FEF579

secondary

#3F4ADC

accent

#10E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FEF579

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

Preview Lab → · Contrast checker → · Palette generator →