#EFE66E#EFE66E

#EFE66E is a very light, vivid yellow. Relative luminance 0.761; OKLCH L 90.9% C 0.142 H 104.9°. Best body text is #000000 at 16.21:1 contrast (WCAG AA passes).

Color values

HEX#EFE66E
RGBrgb(239, 230, 110)
HSLhsl(56, 80%, 68%)
HSVhsv(56, 54%, 94%)
CMYKcmyk(0%, 3.8%, 54%, 6.3%)
CIE-LABlab(89.89, -12.09, 58.62)
CIE-LCHlch(89.89, 59.86, 101.65°)
OKLaboklab(90.87% -0.0365 0.1369)
OKLCHoklch(90.87% 0.142 104.9)
XYZxyz(66.7099, 76.0723, 25.9182)
Luminance0.7607 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFE66E #6E77EF
analogous
#EFA56E #EFE66E #B7EF6E
triadic
#EFE66E #6EEFE6 #E66EEF
tetradic
#EFE66E #6EEFA5 #6E77EF #EF6EB7
square
#EFE66E #6EEFA5 #6E77EF #EF6EB7
split-complementary
#EFE66E #6EB7EF #A56EEF
monochromatic
#CCBF17 #E9DC37 #EFE66E #F5F0A5 #FBF9DC

Accessibility & contrast

On white

1.30
#EFE66E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.21
#EFE66E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE66E
16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFE66E#FFFFFF#000000##000000
##EFE66E1.001.3016.2116.21
#FFFFFF1.301.0021.0021.00
#00000016.2121.001.001.00
##00000016.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#F7DF62
Deuteranopia (green-blind)
#FBE574
Tritanopia (blue-blind)
#FED9CB
Achromatopsia (no color)
#E2E2E2

Design tokens & code

CSS
--color: #efe66e;
/* rgb */ color: rgb(239, 230, 110);
/* oklch */ color: oklch(90.9% 0.142 104.9);
Tailwind
colors: {
  custom: {
    50: '#f7ed9b',
    500: '#efe66e',
    950: '#000000',
  },
}
SCSS
$custom: #efe66e;
$custom-light: #f7ed9b;
$custom-dark: #000000;
JSON
{
  "hex": "#efe66e",
  "rgb": {
    "r": 239,
    "g": 230,
    "b": 110
  },
  "hsl": {
    "h": 55.814,
    "s": 80.124,
    "l": 68.431
  },
  "oklch": {
    "l": 0.90869,
    "c": 0.14166,
    "h": 104.9
  },
  "luminance": 0.7607
}

Semantic roles & 50–950 ramp

primary
#EFE66E
secondary
#3A44C7
accent
#18DC09
background
#FFFEFC
surface
#FFFDF5
border
#D7D5CF
text
#17160E
muted
#85847F

Preview Lab

Preview with #EFE66E

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

Preview Lab → · Contrast checker → · Palette generator →

#EFE66E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva