#FFE66C#FFE66C

#FFE66C is a very light, vivid yellow. Relative luminance 0.789; OKLCH L 92.2% C 0.144 H 97.9°. Best body text is #000000 at 16.79:1 contrast (WCAG AA passes).

Color values

HEX#FFE66C
RGBrgb(255, 230, 108)
HSLhsl(50, 100%, 71%)
HSVhsv(50, 58%, 100%)
CMYKcmyk(0%, 9.8%, 57.6%, 0%)
CIE-LABlab(91.21, -5.79, 61.37)
CIE-LCHlch(91.21, 61.65, 95.39°)
OKLaboklab(92.22% -0.0196 0.1422)
OKLCHoklch(92.22% 0.144 97.9)
XYZxyz(72.2464, 78.9395, 25.6158)
Luminance0.7894 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#FFE66C #6C85FF
analogous
#FF9C6C #FFE66C #CEFF6C
triadic
#FFE66C #6CFFE6 #E66CFF
tetradic
#FFE66C #6CFF9C #6C85FF #FF6CCE
square
#FFE66C #6CFF9C #6C85FF #FF6CCE
split-complementary
#FFE66C #6CCEFF #9C6CFF
monochromatic
#F1C800 #FFDC2F #FFE66C #FFF0A9 #FFFAE0

Accessibility & contrast

On white

1.25
#FFE66C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.79
#FFE66C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFE66C
16.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##FFE66C#FFFFFF#000000##000000
##FFE66C1.001.2516.7916.79
#FFFFFF1.251.0021.0021.00
#00000016.7921.001.001.00
##00000016.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#FAE160
Deuteranopia (green-blind)
#FFEA72
Tritanopia (blue-blind)
#FFD7CB
Achromatopsia (no color)
#E6E6E6

Design tokens & code

CSS
--color: #ffe66c;
/* rgb */ color: rgb(255, 230, 108);
/* oklch */ color: oklch(92.2% 0.144 97.9);
Tailwind
colors: {
  custom: {
    50: '#ffed9a',
    500: '#ffe66c',
    950: '#000000',
  },
}
SCSS
$custom: #ffe66c;
$custom-light: #ffed9a;
$custom-dark: #000000;
JSON
{
  "hex": "#ffe66c",
  "rgb": {
    "r": 255,
    "g": 230,
    "b": 108
  },
  "hsl": {
    "h": 49.796,
    "s": 100,
    "l": 71.176
  },
  "oklch": {
    "l": 0.92224,
    "c": 0.1436,
    "h": 97.9
  },
  "luminance": 0.78936
}

Semantic roles & 50–950 ramp

primary
#FFE66C
secondary
#3450DB
accent
#27E600
background
#FFFEFC
surface
#FFFDF5
border
#D7D5CF
text
#18160E
muted
#86847F

Preview Lab

Preview with #FFE66C

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

Preview Lab → · Contrast checker → · Palette generator →

#FFE66C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva