#FEF580#FEF580

#FEF580 is a very light, vivid yellow. Relative luminance 0.879; OKLCH L 95.4% C 0.139 H 104.8°. Best body text is #000000 at 18.59:1 contrast (WCAG AA passes).

Color values

HEX	#FEF580
RGB	rgb(254, 245, 128)
HSL	hsl(56, 98%, 75%)
HSV	hsv(56, 50%, 100%)
CMYK	cmyk(0%, 3.5%, 49.6%, 0.4%)
CIE-LAB	lab(95.13, -12.06, 56.84)
CIE-LCH	lch(95.13, 58.11, 101.98°)
OKLab	oklab(95.39% -0.0355 0.1345)
OKLCH	oklch(95.39% 0.139 104.8)
XYZ	xyz(77.4238, 87.9365, 33.3129)
Luminance	0.8793 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF580 #8089FE

analogous

#FEB680 #FEF580 #C8FE80

triadic

#FEF580 #80FEF5 #F580FE

tetradic

#FEF580 #80FEB6 #8089FE #FE80C8

square

#FEF580 #80FEB6 #8089FE #FE80C8

split-complementary

#FEF580 #80C8FE #B680FE

monochromatic

#FDEB07 #FEF043 #FEF580 #FEFABD #FFFDE1

Accessibility & contrast

On white

1.13

#FEF580 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.59

#FEF580 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF580

18.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF580	#FFFFFF	#000000	##000000
##FEF580	1.00	1.13	18.59	18.59
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.59	21.00	1.00	1.00
##000000	18.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE75

Deuteranopia (green-blind)

#FFF486

Tritanopia (blue-blind)

#FFE8DA

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fef580;
/* rgb */ color: rgb(254, 245, 128);
/* oklch */ color: oklch(95.4% 0.139 104.8);

Tailwind

colors: {
  custom: {
    50: '#fff8a7',
    500: '#fef580',
    950: '#000000',
  },
}

SCSS

$custom: #fef580;
$custom-light: #fff8a7;
$custom-dark: #000000;

JSON

{
  "hex": "#fef580",
  "rgb": {
    "r": 254,
    "g": 245,
    "b": 128
  },
  "hsl": {
    "h": 55.714,
    "s": 98.438,
    "l": 74.902
  },
  "oklch": {
    "l": 0.95387,
    "c": 0.13907,
    "h": 104.8
  },
  "luminance": 0.87934
}

Semantic roles & 50–950 ramp

primary

#FEF580

secondary

#4550DD

accent

#10E600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FEF580

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

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