#FDE66C#FDE66C

#FDE66C is a very light, vivid yellow. Relative luminance 0.786; OKLCH L 92.0% C 0.143 H 98.8°. Best body text is #000000 at 16.71:1 contrast (WCAG AA passes).

Color values

HEX#FDE66C
RGBrgb(253, 230, 108)
HSLhsl(50, 97%, 71%)
HSVhsv(50, 57%, 99%)
CMYKcmyk(0%, 9.1%, 57.3%, 0.8%)
CIE-LABlab(91.04, -6.59, 61.13)
CIE-LCHlch(91.04, 61.49, 96.16°)
OKLaboklab(92.05% -0.0218 0.1418)
OKLCHoklch(92.05% 0.143 98.8)
XYZxyz(71.5143, 78.5620, 25.5815)
Luminance0.7856 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#FDE66C #6C83FD
analogous
#FD9D6C #FDE66C #CBFD6C
triadic
#FDE66C #6CFDE6 #E66CFD
tetradic
#FDE66C #6CFD9D #6C83FD #FD6CCB
square
#FDE66C #6CFD9D #6C83FD #FD6CCB
split-complementary
#FDE66C #6CCBFD #9D6CFD
monochromatic
#EBC703 #FCDC30 #FDE66C #FEF0A8 #FFFAE1

Accessibility & contrast

On white

1.26
#FDE66C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.71
#FDE66C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDE66C
16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##FDE66C#FFFFFF#000000##000000
##FDE66C1.001.2616.7116.71
#FFFFFF1.261.0021.0021.00
#00000016.7121.001.001.00
##00000016.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#FAE160
Deuteranopia (green-blind)
#FFE972
Tritanopia (blue-blind)
#FFD7CB
Achromatopsia (no color)
#E5E5E5

Design tokens & code

CSS
--color: #fde66c;
/* rgb */ color: rgb(253, 230, 108);
/* oklch */ color: oklch(92.0% 0.143 98.8);
Tailwind
colors: {
  custom: {
    50: '#ffed9a',
    500: '#fde66c',
    950: '#000000',
  },
}
SCSS
$custom: #fde66c;
$custom-light: #ffed9a;
$custom-dark: #000000;
JSON
{
  "hex": "#fde66c",
  "rgb": {
    "r": 253,
    "g": 230,
    "b": 108
  },
  "hsl": {
    "h": 50.483,
    "s": 97.315,
    "l": 70.784
  },
  "oklch": {
    "l": 0.92048,
    "c": 0.14345,
    "h": 98.8
  },
  "luminance": 0.78559
}

Semantic roles & 50–950 ramp

primary
#FDE66C
secondary
#354FD9
accent
#24E600
background
#FFFEFC
surface
#FFFDF5
border
#D7D5CF
text
#18160E
muted
#86847F

Preview Lab

Preview with #FDE66C

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

Preview Lab → · Contrast checker → · Palette generator →

#FDE66C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva