#FFFDEF#FFFDEF

#FFFDEF is a very light, near-neutral yellow. Relative luminance 0.977; OKLCH L 99.2% C 0.018 H 100.1°. Best body text is #000000 at 20.55:1 contrast (WCAG AA passes).

Color values

HEX	#FFFDEF
RGB	rgb(255, 253, 239)
HSL	hsl(53, 100%, 97%)
HSV	hsv(53, 6%, 100%)
CMYK	cmyk(0%, 0.8%, 6.3%, 0%)
CIE-LAB	lab(99.12, -1.71, 6.93)
CIE-LCH	lch(99.12, 7.14, 103.89°)
OKLab	oklab(99.18% -0.0032 0.0182)
OKLCH	oklch(99.18% 0.018 100.1)
XYZ	xyz(91.9432, 97.7430, 95.6672)
Luminance	0.9774 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFFDEF #EFF1FF

analogous

#FFF5EF #FFFDEF #F9FFEF

triadic

#FFFDEF #EFFFFD #FDEFFF

tetradic

#FFFDEF #EFFFF5 #EFF1FF #FFEFF9

square

#FFFDEF #EFFFF5 #EFF1FF #FFEFF9

split-complementary

#FFFDEF #EFF9FF #F5EFFF

monochromatic

#FFEE75 #FFF5B2 #FFFBE0 #FFFBE0 #FFFBE0

Accessibility & contrast

On white

1.02

#FFFDEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

20.55

#FFFDEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFFDEF

20.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFFDEF	#FFFFFF	#000000	##000000
##FFFDEF	1.00	1.02	20.55	20.55
#FFFFFF	1.02	1.00	21.00	21.00
#000000	20.55	21.00	1.00	1.00
##000000	20.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFFCEE

Deuteranopia (green-blind)

#FFFDEF

Tritanopia (blue-blind)

#FFFBF9

Achromatopsia (no color)

#FCFCFC

Design tokens & code

CSS

--color: #fffdef;
/* rgb */ color: rgb(255, 253, 239);
/* oklch */ color: oklch(99.2% 0.018 100.1);

Tailwind

colors: {
  custom: {
    50: '#fffef4',
    500: '#fffdef',
    950: '#000000',
  },
}

SCSS

$custom: #fffdef;
$custom-light: #fffef4;
$custom-dark: #000000;

JSON

{
  "hex": "#fffdef",
  "rgb": {
    "r": 255,
    "g": 253,
    "b": 239
  },
  "hsl": {
    "h": 52.5,
    "s": 100,
    "l": 96.863
  },
  "oklch": {
    "l": 0.99181,
    "c": 0.01847,
    "h": 100.1
  },
  "luminance": 0.97743
}

Semantic roles & 50–950 ramp

primary

#FFFDEF

secondary

#A3ADEF

accent

#1DE600

background

#FFFFFF

surface

#FFFFFE

border

#D7D7D6

text

#181717

muted

#868585

Preview Lab

Preview with #FFFDEF

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

Preview Lab → · Contrast checker → · Palette generator →