#FEF58C#FEF58C

#FEF58C is a very light, vivid yellow. Relative luminance 0.883; OKLCH L 95.5% C 0.127 H 104.2°. Best body text is #000000 at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#FEF58C
RGB	rgb(254, 245, 140)
HSL	hsl(55, 98%, 77%)
HSV	hsv(55, 45%, 100%)
CMYK	cmyk(0%, 3.5%, 44.9%, 0.4%)
CIE-LAB	lab(95.28, -10.99, 51.39)
CIE-LCH	lch(95.28, 52.55, 102.08°)
OKLab	oklab(95.55% -0.0312 0.1234)
OKLCH	oklch(95.55% 0.127 104.2)
XYZ	xyz(78.2609, 88.2713, 37.7214)
Luminance	0.8827 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF58C #8C95FE

analogous

#FEBC8C #FEF58C #CEFE8C

triadic

#FEF58C #8CFEF5 #F58CFE

tetradic

#FEF58C #8CFEBC #8C95FE #FE8CCE

square

#FEF58C #8CFEBC #8C95FE #FE8CCE

split-complementary

#FEF58C #8CCEFE #BC8CFE

monochromatic

#FDEA13 #FDF04F #FEF58C #FFFAC9 #FFFCE1

Accessibility & contrast

On white

1.13

#FEF58C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.65

#FEF58C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF58C

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF58C	#FFFFFF	#000000	##000000
##FEF58C	1.00	1.13	18.65	18.65
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.65	21.00	1.00	1.00
##000000	18.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE83

Deuteranopia (green-blind)

#FFF491

Tritanopia (blue-blind)

#FFE9DC

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fef58c;
/* rgb */ color: rgb(254, 245, 140);
/* oklch */ color: oklch(95.5% 0.127 104.2);

Tailwind

colors: {
  custom: {
    50: '#fff8af',
    500: '#fef58c',
    950: '#000000',
  },
}

SCSS

$custom: #fef58c;
$custom-light: #fff8af;
$custom-dark: #000000;

JSON

{
  "hex": "#fef58c",
  "rgb": {
    "r": 254,
    "g": 245,
    "b": 140
  },
  "hsl": {
    "h": 55.263,
    "s": 98.276,
    "l": 77.255
  },
  "oklch": {
    "l": 0.95545,
    "c": 0.12725,
    "h": 104.2
  },
  "luminance": 0.88269
}

Semantic roles & 50–950 ramp

primary

#FEF58C

secondary

#505BDF

accent

#12E600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FEF58C

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

Preview Lab → · Contrast checker → · Palette generator →