#FEF66F#FEF66F

#FEF66F is a very light, vivid yellow. Relative luminance 0.881; OKLCH L 95.4% C 0.155 H 105.8°. Best body text is #000000 at 18.63:1 contrast (WCAG AA passes).

Color values

HEX	#FEF66F
RGB	rgb(254, 246, 111)
HSL	hsl(57, 99%, 72%)
HSV	hsv(57, 56%, 100%)
CMYK	cmyk(0%, 3.1%, 56.3%, 0.4%)
CIE-LAB	lab(95.22, -13.88, 64.56)
CIE-LCH	lch(95.22, 66.03, 102.13°)
OKLab	oklab(95.4% -0.0424 0.1494)
OKLCH	oklch(95.4% 0.155 105.8)
XYZ	xyz(76.7005, 88.1325, 28.0068)
Luminance	0.8813 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF66F #6F77FE

analogous

#FEAF6F #FEF66F #BFFE6F

triadic

#FEF66F #6FFEF6 #F66FFE

tetradic

#FEF66F #6FFEAF #6F77FE #FE6FBF

square

#FEF66F #6FFEAF #6F77FE #FE6FBF

split-complementary

#FEF66F #6FBFFE #AF6FFE

monochromatic

#F1E402 #FEF232 #FEF66F #FEFAAC #FFFDE1

Accessibility & contrast

On white

1.13

#FEF66F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.63

#FEF66F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF66F

18.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF66F	#FFFFFF	#000000	##000000
##FEF66F	1.00	1.13	18.63	18.63
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.63	21.00	1.00	1.00
##000000	18.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE61

Deuteranopia (green-blind)

#FFF476

Tritanopia (blue-blind)

#FFE8D8

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fef66f;
/* rgb */ color: rgb(254, 246, 111);
/* oklch */ color: oklch(95.4% 0.155 105.8);

Tailwind

colors: {
  custom: {
    50: '#fff89d',
    500: '#fef66f',
    950: '#000000',
  },
}

SCSS

$custom: #fef66f;
$custom-light: #fff89d;
$custom-dark: #000000;

JSON

{
  "hex": "#fef66f",
  "rgb": {
    "r": 254,
    "g": 246,
    "b": 111
  },
  "hsl": {
    "h": 56.643,
    "s": 98.621,
    "l": 71.569
  },
  "oklch": {
    "l": 0.95397,
    "c": 0.15534,
    "h": 105.8
  },
  "luminance": 0.8813
}

Semantic roles & 50–950 ramp

primary

#FEF66F

secondary

#3740DA

accent

#0DE600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170F

muted

#868580

Preview Lab

Preview with #FEF66F

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

Preview Lab → · Contrast checker → · Palette generator →