#EFE66D#EFE66D

#EFE66D is a very light, vivid yellow. Relative luminance 0.760; OKLCH L 90.9% C 0.143 H 105.0°. Best body text is #000000 at 16.21:1 contrast (WCAG AA passes).

Color values

HEX#EFE66D
RGBrgb(239, 230, 109)
HSLhsl(56, 80%, 68%)
HSVhsv(56, 54%, 94%)
CMYKcmyk(0%, 3.8%, 54.4%, 6.3%)
CIE-LABlab(89.88, -12.17, 59.06)
CIE-LCHlch(89.88, 60.30, 101.64°)
OKLaboklab(90.86% -0.0369 0.1377)
OKLCHoklch(90.86% 0.143 105)
XYZxyz(66.6558, 76.0506, 25.6331)
Luminance0.7605 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFE66D #6D76EF
analogous
#EFA56D #EFE66D #B7EF6D
triadic
#EFE66D #6DEFE6 #E66DEF
tetradic
#EFE66D #6DEFA5 #6D76EF #EF6DB7
square
#EFE66D #6DEFA5 #6D76EF #EF6DB7
split-complementary
#EFE66D #6DB7EF #A56DEF
monochromatic
#CBBF16 #E9DD36 #EFE66D #F5EFA4 #FBF9DB

Accessibility & contrast

On white

1.30
#EFE66D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.21
#EFE66D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE66D
16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFE66D#FFFFFF#000000##000000
##EFE66D1.001.3016.2116.21
#FFFFFF1.301.0021.0021.00
#00000016.2121.001.001.00
##00000016.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#F7DF61
Deuteranopia (green-blind)
#FBE573
Tritanopia (blue-blind)
#FFD9CB
Achromatopsia (no color)
#E2E2E2

Design tokens & code

CSS
--color: #efe66d;
/* rgb */ color: rgb(239, 230, 109);
/* oklch */ color: oklch(90.9% 0.143 105.0);
Tailwind
colors: {
  custom: {
    50: '#f7ed9a',
    500: '#efe66d',
    950: '#000000',
  },
}
SCSS
$custom: #efe66d;
$custom-light: #f7ed9a;
$custom-dark: #000000;
JSON
{
  "hex": "#efe66d",
  "rgb": {
    "r": 239,
    "g": 230,
    "b": 109
  },
  "hsl": {
    "h": 55.846,
    "s": 80.247,
    "l": 68.235
  },
  "oklch": {
    "l": 0.90858,
    "c": 0.14256,
    "h": 105
  },
  "luminance": 0.76048
}

Semantic roles & 50–950 ramp

primary
#EFE66D
secondary
#3943C7
accent
#18DD09
background
#FFFEFC
surface
#FFFDF5
border
#D7D5CF
text
#17160E
muted
#85847F

Preview Lab

Preview with #EFE66D

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

Preview Lab → · Contrast checker → · Palette generator →

#EFE66D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva