#FEF57C#FEF57C

#FEF57C is a very light, vivid yellow. Relative luminance 0.878; OKLCH L 95.3% C 0.143 H 104.9°. Best body text is #000000 at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#FEF57C
RGB	rgb(254, 245, 124)
HSL	hsl(56, 98%, 74%)
HSV	hsv(56, 51%, 100%)
CMYK	cmyk(0%, 3.5%, 51.2%, 0.4%)
CIE-LAB	lab(95.09, -12.40, 58.63)
CIE-LCH	lch(95.09, 59.92, 101.94°)
OKLab	oklab(95.34% -0.0368 0.138)
OKLCH	oklch(95.34% 0.143 104.9)
XYZ	xyz(77.1657, 87.8332, 31.9536)
Luminance	0.8783 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF57C #7C85FE

analogous

#FEB47C #FEF57C #C6FE7C

triadic

#FEF57C #7CFEF5 #F57CFE

tetradic

#FEF57C #7CFEB4 #7C85FE #FE7CC6

square

#FEF57C #7CFEB4 #7C85FE #FE7CC6

split-complementary

#FEF57C #7CC6FE #B47CFE

monochromatic

#FDEC03 #FEF03F #FEF57C #FEFAB9 #FFFDE1

Accessibility & contrast

On white

1.13

#FEF57C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.57

#FEF57C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF57C

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF57C	#FFFFFF	#000000	##000000
##FEF57C	1.00	1.13	18.57	18.57
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.57	21.00	1.00	1.00
##000000	18.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE71

Deuteranopia (green-blind)

#FFF482

Tritanopia (blue-blind)

#FFE7D9

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fef57c;
/* rgb */ color: rgb(254, 245, 124);
/* oklch */ color: oklch(95.3% 0.143 104.9);

Tailwind

colors: {
  custom: {
    50: '#fff8a5',
    500: '#fef57c',
    950: '#000000',
  },
}

SCSS

$custom: #fef57c;
$custom-light: #fff8a5;
$custom-dark: #000000;

JSON

{
  "hex": "#fef57c",
  "rgb": {
    "r": 254,
    "g": 245,
    "b": 124
  },
  "hsl": {
    "h": 55.846,
    "s": 98.485,
    "l": 74.118
  },
  "oklch": {
    "l": 0.95338,
    "c": 0.14283,
    "h": 104.9
  },
  "luminance": 0.87831
}

Semantic roles & 50–950 ramp

primary

#FEF57C

secondary

#424DDC

accent

#10E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FEF57C

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

Preview Lab → · Contrast checker → · Palette generator →