#FDFFFB#FDFFFB

#FDFFFB is a very light, near-neutral yellow-green. Relative luminance 0.994; OKLCH L 99.7% C 0.006 H 128.5°. Best body text is #000000 at 20.87:1 contrast (WCAG AA passes).

Color values

HEX	#FDFFFB
RGB	rgb(253, 255, 251)
HSL	hsl(90, 100%, 99%)
HSV	hsv(90, 2%, 100%)
CMYK	cmyk(0.8%, 0%, 1.6%, 0%)
CIE-LAB	lab(99.75, -1.36, 1.68)
CIE-LCH	lch(99.75, 2.16, 129.00°)
OKLab	oklab(99.74% -0.0035 0.0044)
OKLCH	oklch(99.74% 0.006 128.5)
XYZ	xyz(93.6777, 99.3677, 105.4928)
Luminance	0.9937 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDFFFB #FDFBFF

analogous

#FFFFFB #FDFFFB #FBFFFB

triadic

#FDFFFB #FBFDFF #FFFBFD

tetradic

#FDFFFB #FBFFFF #FDFBFF #FFFBFB

square

#FDFFFB #FBFFFF #FDFBFF #FFFBFB

split-complementary

#FDFFFB #FBFBFF #FFFBFF

monochromatic

#C0FF81 #DEFFBE #F0FFE0 #F0FFE0 #F0FFE0

Accessibility & contrast

On white

1.01

#FDFFFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

20.87

#FDFFFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDFFFB

20.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDFFFB	#FFFFFF	#000000	##000000
##FDFFFB	1.00	1.01	20.87	20.87
#FFFFFF	1.01	1.00	21.00	21.00
#000000	20.87	21.00	1.00	1.00
##000000	20.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFFEFB

Deuteranopia (green-blind)

#FFFEFB

Tritanopia (blue-blind)

#FDFFFE

Achromatopsia (no color)

#FEFEFE

Design tokens & code

CSS

--color: #fdfffb;
/* rgb */ color: rgb(253, 255, 251);
/* oklch */ color: oklch(99.7% 0.006 128.5);

Tailwind

colors: {
  custom: {
    50: '#fefffc',
    500: '#fdfffb',
    950: '#000000',
  },
}

SCSS

$custom: #fdfffb;
$custom-light: #fefffc;
$custom-dark: #000000;

JSON

{
  "hex": "#fdfffb",
  "rgb": {
    "r": 253,
    "g": 255,
    "b": 251
  },
  "hsl": {
    "h": 90,
    "s": 100,
    "l": 99.216
  },
  "oklch": {
    "l": 0.99739,
    "c": 0.00565,
    "h": 128.5
  },
  "luminance": 0.99368
}

Semantic roles & 50–950 ramp

primary

#FDFFFB

secondary

#CFAEF1

accent

#00E673

background

#FFFFFF

surface

#FFFFFF

border

#D7D7D7

text

#171817

muted

#858685

Preview Lab

Preview with #FDFFFB

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

Preview Lab → · Contrast checker → · Palette generator →