#FFE366#FFE366

#FFE366 is a very light, vivid yellow. Relative luminance 0.772; OKLCH L 91.6% C 0.146 H 96.7°. Best body text is #000000 at 16.43:1 contrast (WCAG AA passes).

Color values

HEX#FFE366
RGBrgb(255, 227, 102)
HSLhsl(49, 100%, 70%)
HSVhsv(49, 60%, 100%)
CMYKcmyk(0%, 11%, 60%, 0%)
CIE-LABlab(90.40, -4.69, 63.11)
CIE-LCHlch(90.40, 63.28, 94.25°)
OKLaboklab(91.56% -0.0172 0.1452)
OKLCHoklch(91.56% 0.146 96.7)
XYZxyz(71.1103, 77.1608, 23.7157)
Luminance0.7716 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#FFE366 #6682FF
analogous
#FF9766 #FFE366 #CEFF66
triadic
#FFE366 #66FFE3 #E366FF
tetradic
#FFE366 #66FF97 #6682FF #FF66CE
square
#FFE366 #66FF97 #6682FF #FF66CE
split-complementary
#FFE366 #66CEFF #9766FF
monochromatic
#EBC000 #FFD829 #FFE366 #FFEEA3 #FFF9E0

Accessibility & contrast

On white

1.28
#FFE366 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.43
#FFE366 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFE366
16.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##FFE366#FFFFFF#000000##000000
##FFE3661.001.2816.4316.43
#FFFFFF1.281.0021.0021.00
#00000016.4321.001.001.00
##00000016.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#F7DE59
Deuteranopia (green-blind)
#FFE76C
Tritanopia (blue-blind)
#FFD4C8
Achromatopsia (no color)
#E3E3E3

Design tokens & code

CSS
--color: #ffe366;
/* rgb */ color: rgb(255, 227, 102);
/* oklch */ color: oklch(91.6% 0.146 96.7);
Tailwind
colors: {
  custom: {
    50: '#ffeb96',
    500: '#ffe366',
    950: '#000000',
  },
}
SCSS
$custom: #ffe366;
$custom-light: #ffeb96;
$custom-dark: #000000;
JSON
{
  "hex": "#ffe366",
  "rgb": {
    "r": 255,
    "g": 227,
    "b": 102
  },
  "hsl": {
    "h": 49.02,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.91564,
    "c": 0.14623,
    "h": 96.7
  },
  "luminance": 0.77157
}

Semantic roles & 50–950 ramp

primary
#FFE366
secondary
#2F4EDA
accent
#2AE600
background
#FFFEFC
surface
#FFFDF5
border
#D7D5CF
text
#19160E
muted
#87847F

Preview Lab

Preview with #FFE366

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

Preview Lab → · Contrast checker → · Palette generator →

#FFE366 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva