#FFF663#FFF663

#FFF663 is a very light, vivid yellow. Relative luminance 0.881; OKLCH L 95.4% C 0.165 H 105.8°. Best body text is #000000 at 18.61:1 contrast (WCAG AA passes).

Color values

HEX#FFF663
RGBrgb(255, 246, 99)
HSLhsl(57, 100%, 69%)
HSVhsv(57, 61%, 100%)
CMYKcmyk(0%, 3.5%, 61.2%, 0%)
CIE-LABlab(95.19, -14.28, 69.61)
CIE-LCHlch(95.19, 71.06, 101.59°)
OKLaboklab(95.36% -0.0449 0.1587)
OKLCHoklch(95.36% 0.165 105.8)
XYZxyz(76.4506, 88.0750, 24.7750)
Luminance0.8807 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#FFF663 #636CFF
analogous
#FFA863 #FFF663 #BAFF63
triadic
#FFF663 #63FFF6 #F663FF
tetradic
#FFF663 #63FFA8 #636CFF #FF63BA
square
#FFF663 #63FFA8 #636CFF #FF63BA
split-complementary
#FFF663 #63BAFF #A863FF
monochromatic
#E8DA00 #FFF226 #FFF663 #FFFAA0 #FFFDDD

Accessibility & contrast

On white

1.13
#FFF663 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

18.61
#FFF663 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFF663
18.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##FFF663#FFFFFF#000000##000000
##FFF6631.001.1318.6118.61
#FFFFFF1.131.0021.0021.00
#00000018.6121.001.001.00
##00000018.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFEE51
Deuteranopia (green-blind)
#FFF46C
Tritanopia (blue-blind)
#FFE7D7
Achromatopsia (no color)
#F1F1F1

Design tokens & code

CSS
--color: #fff663;
/* rgb */ color: rgb(255, 246, 99);
/* oklch */ color: oklch(95.4% 0.165 105.8);
Tailwind
colors: {
  custom: {
    50: '#fff895',
    500: '#fff663',
    950: '#000000',
  },
}
SCSS
$custom: #fff663;
$custom-light: #fff895;
$custom-dark: #000000;
JSON
{
  "hex": "#fff663",
  "rgb": {
    "r": 255,
    "g": 246,
    "b": 99
  },
  "hsl": {
    "h": 56.538,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.95364,
    "c": 0.16489,
    "h": 105.8
  },
  "luminance": 0.88072
}

Semantic roles & 50–950 ramp

primary
#FFF663
secondary
#2C36DA
accent
#0DE600
background
#FFFFFC
surface
#FFFEF5
border
#D7D6CF
text
#19170E
muted
#87857F

Preview Lab

Preview with #FFF663

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

Preview Lab → · Contrast checker → · Palette generator →

#FFF663 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva