#FFFFFB#FFFFFB

#FFFFFB is a very light, near-neutral yellow. Relative luminance 0.997; OKLCH L 99.9% C 0.005 H 106.5°. Best body text is #000000 at 20.95:1 contrast (WCAG AA passes).

Color values

HEX	#FFFFFB
RGB	rgb(255, 255, 251)
HSL	hsl(60, 100%, 99%)
HSV	hsv(60, 2%, 100%)
CMYK	cmyk(0%, 0%, 1.6%, 0%)
CIE-LAB	lab(99.90, -0.69, 1.91)
CIE-LCH	lch(99.90, 2.03, 110.02°)
OKLab	oklab(99.89% -0.0015 0.005)
OKLCH	oklch(99.89% 0.005 106.5)
XYZ	xyz(94.4098, 99.7451, 105.5271)
Luminance	0.9974 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFFFFB #FBFBFF

analogous

#FFFDFB #FFFFFB #FDFFFB

triadic

#FFFFFB #FBFFFF #FFFBFF

tetradic

#FFFFFB #FBFFFD #FBFBFF #FFFBFD

square

#FFFFFB #FBFFFD #FBFBFF #FFFBFD

split-complementary

#FFFFFB #FBFDFF #FDFBFF

monochromatic

#FFFF81 #FFFFBE #FFFFE0 #FFFFE0 #FFFFE0

Accessibility & contrast

On white

1.00

#FFFFFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

20.95

#FFFFFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFFFFB

20.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFFFFB	#FFFFFF	#000000	##000000
##FFFFFB	1.00	1.00	20.95	20.95
#FFFFFF	1.00	1.00	21.00	21.00
#000000	20.95	21.00	1.00	1.00
##000000	20.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFFFFB

Deuteranopia (green-blind)

#FFFFFB

Tritanopia (blue-blind)

#FFFEFE

Achromatopsia (no color)

#FFFFFF

Design tokens & code

CSS

--color: #fffffb;
/* rgb */ color: rgb(255, 255, 251);
/* oklch */ color: oklch(99.9% 0.005 106.5);

Tailwind

colors: {
  custom: {
    50: '#fffffc',
    500: '#fffffb',
    950: '#000000',
  },
}

SCSS

$custom: #fffffb;
$custom-light: #fffffc;
$custom-dark: #000000;

JSON

{
  "hex": "#fffffb",
  "rgb": {
    "r": 255,
    "g": 255,
    "b": 251
  },
  "hsl": {
    "h": 60,
    "s": 100,
    "l": 99.216
  },
  "oklch": {
    "l": 0.9989,
    "c": 0.00526,
    "h": 106.5
  },
  "luminance": 0.99745
}

Semantic roles & 50–950 ramp

primary

#FFFFFB

secondary

#AEAEF1

accent

#00E600

background

#FFFFFF

surface

#FFFFFF

border

#D7D7D7

text

#181817

muted

#868685

Preview Lab

Preview with #FFFFFB

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

Preview Lab → · Contrast checker → · Palette generator →