#FEF57F#FEF57F

#FEF57F is a very light, vivid yellow. Relative luminance 0.879; OKLCH L 95.4% C 0.140 H 104.8°. Best body text is #000000 at 18.58:1 contrast (WCAG AA passes).

Color values

HEX	#FEF57F
RGB	rgb(254, 245, 127)
HSL	hsl(56, 98%, 75%)
HSV	hsv(56, 50%, 100%)
CMYK	cmyk(0%, 3.5%, 50%, 0.4%)
CIE-LAB	lab(95.12, -12.15, 57.29)
CIE-LCH	lch(95.12, 58.57, 101.97°)
OKLab	oklab(95.38% -0.0358 0.1354)
OKLCH	oklch(95.38% 0.14 104.8)
XYZ	xyz(77.3583, 87.9103, 32.9680)
Luminance	0.8791 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF57F #7F88FE

analogous

#FEB67F #FEF57F #C8FE7F

triadic

#FEF57F #7FFEF5 #F57FFE

tetradic

#FEF57F #7FFEB6 #7F88FE #FE7FC8

square

#FEF57F #7FFEB6 #7F88FE #FE7FC8

split-complementary

#FEF57F #7FC8FE #B67FFE

monochromatic

#FDEC06 #FEF042 #FEF57F #FEFABC #FFFDE1

Accessibility & contrast

On white

1.13

#FEF57F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.58

#FEF57F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF57F

18.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF57F	#FFFFFF	#000000	##000000
##FEF57F	1.00	1.13	18.58	18.58
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.58	21.00	1.00	1.00
##000000	18.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE74

Deuteranopia (green-blind)

#FFF485

Tritanopia (blue-blind)

#FFE8DA

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fef57f;
/* rgb */ color: rgb(254, 245, 127);
/* oklch */ color: oklch(95.4% 0.140 104.8);

Tailwind

colors: {
  custom: {
    50: '#fff8a7',
    500: '#fef57f',
    950: '#000000',
  },
}

SCSS

$custom: #fef57f;
$custom-light: #fff8a7;
$custom-dark: #000000;

JSON

{
  "hex": "#fef57f",
  "rgb": {
    "r": 254,
    "g": 245,
    "b": 127
  },
  "hsl": {
    "h": 55.748,
    "s": 98.45,
    "l": 74.706
  },
  "oklch": {
    "l": 0.95375,
    "c": 0.14002,
    "h": 104.8
  },
  "luminance": 0.87908
}

Semantic roles & 50–950 ramp

primary

#FEF57F

secondary

#454FDD

accent

#10E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#181710

muted

#868580

Preview Lab

Preview with #FEF57F

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

Preview Lab → · Contrast checker → · Palette generator →