#FFF666#FFF666

#FFF666 is a very light, vivid yellow. Relative luminance 0.881; OKLCH L 95.4% C 0.163 H 105.7°. Best body text is #000000 at 18.63:1 contrast (WCAG AA passes).

Color values

HEX	#FFF666
RGB	rgb(255, 246, 102)
HSL	hsl(56, 100%, 70%)
HSV	hsv(56, 60%, 100%)
CMYK	cmyk(0%, 3.5%, 60%, 0%)
CIE-LAB	lab(95.22, -14.09, 68.40)
CIE-LCH	lch(95.22, 69.84, 101.64°)
OKLab	oklab(95.39% -0.044 0.1565)
OKLCH	oklch(95.39% 0.163 105.7)
XYZ	xyz(76.5966, 88.1334, 25.5444)
Luminance	0.8813 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFF666 #666FFF

analogous

#FFAA66 #FFF666 #BBFF66

triadic

#FFF666 #66FFF6 #F666FF

tetradic

#FFF666 #66FFAA #666FFF #FF66BB

square

#FFF666 #66FFAA #666FFF #FF66BB

split-complementary

#FFF666 #66BBFF #AA66FF

monochromatic

#EBDD00 #FFF229 #FFF666 #FFFAA3 #FFFDE0

Accessibility & contrast

On white

1.13

#FFF666 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.63

#FFF666 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFF666

18.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFF666	#FFFFFF	#000000	##000000
##FFF666	1.00	1.13	18.63	18.63
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.63	21.00	1.00	1.00
##000000	18.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE55

Deuteranopia (green-blind)

#FFF46E

Tritanopia (blue-blind)

#FFE7D7

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fff666;
/* rgb */ color: rgb(255, 246, 102);
/* oklch */ color: oklch(95.4% 0.163 105.7);

Tailwind

colors: {
  custom: {
    50: '#fff897',
    500: '#fff666',
    950: '#000000',
  },
}

SCSS

$custom: #fff666;
$custom-light: #fff897;
$custom-dark: #000000;

JSON

{
  "hex": "#fff666",
  "rgb": {
    "r": 255,
    "g": 246,
    "b": 102
  },
  "hsl": {
    "h": 56.471,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.95391,
    "c": 0.16256,
    "h": 105.7
  },
  "luminance": 0.88131
}

Semantic roles & 50–950 ramp

primary

#FFF666

secondary

#2F39DA

accent

#0DE600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#19170E

muted

#87857F

Preview Lab

Preview with #FFF666

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

Preview Lab → · Contrast checker → · Palette generator →