#FEF58F#FEF58F

#FEF58F is a very light, vivid yellow. Relative luminance 0.884; OKLCH L 95.6% C 0.124 H 104.1°. Best body text is #000000 at 18.67:1 contrast (WCAG AA passes).

Color values

HEX	#FEF58F
RGB	rgb(254, 245, 143)
HSL	hsl(55, 98%, 78%)
HSV	hsv(55, 44%, 100%)
CMYK	cmyk(0%, 3.5%, 43.7%, 0.4%)
CIE-LAB	lab(95.31, -10.71, 50.00)
CIE-LCH	lch(95.31, 51.14, 102.09°)
OKLab	oklab(95.59% -0.0302 0.1205)
OKLCH	oklch(95.59% 0.124 104.1)
XYZ	xyz(78.4851, 88.3610, 38.9023)
Luminance	0.8836 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF58F #8F98FE

analogous

#FEBD8F #FEF58F #CFFE8F

triadic

#FEF58F #8FFEF5 #F58FFE

tetradic

#FEF58F #8FFEBD #8F98FE #FE8FCF

square

#FEF58F #8FFEBD #8F98FE #FE8FCF

split-complementary

#FEF58F #8FCFFE #BD8FFE

monochromatic

#FDEA16 #FDF052 #FEF58F #FFFACC #FFFCE1

Accessibility & contrast

On white

1.12

#FEF58F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.67

#FEF58F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF58F

18.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF58F	#FFFFFF	#000000	##000000
##FEF58F	1.00	1.12	18.67	18.67
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.67	21.00	1.00	1.00
##000000	18.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE87

Deuteranopia (green-blind)

#FFF493

Tritanopia (blue-blind)

#FFE9DD

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fef58f;
/* rgb */ color: rgb(254, 245, 143);
/* oklch */ color: oklch(95.6% 0.124 104.1);

Tailwind

colors: {
  custom: {
    50: '#fff8b1',
    500: '#fef58f',
    950: '#000000',
  },
}

SCSS

$custom: #fef58f;
$custom-light: #fff8b1;
$custom-dark: #000000;

JSON

{
  "hex": "#fef58f",
  "rgb": {
    "r": 254,
    "g": 245,
    "b": 143
  },
  "hsl": {
    "h": 55.135,
    "s": 98.23,
    "l": 77.843
  },
  "oklch": {
    "l": 0.95587,
    "c": 0.12417,
    "h": 104.1
  },
  "luminance": 0.88359
}

Semantic roles & 50–950 ramp

primary

#FEF58F

secondary

#525EDF

accent

#13E600

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#181711

muted

#868581

Preview Lab

Preview with #FEF58F

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

Preview Lab → · Contrast checker → · Palette generator →