#EFEC64#EFEC64

#EFEC64 is a very light, vivid yellow. Relative luminance 0.793; OKLCH L 92.0% C 0.156 H 107.9°. Best body text is #000000 at 16.85:1 contrast (WCAG AA passes).

Color values

HEX#EFEC64
RGBrgb(239, 236, 100)
HSLhsl(59, 81%, 66%)
HSVhsv(59, 58%, 94%)
CMYKcmyk(0%, 1.3%, 58.2%, 6.3%)
CIE-LABlab(91.35, -15.77, 64.65)
CIE-LCHlch(91.35, 66.55, 103.71°)
OKLaboklab(92% -0.0481 0.1486)
OKLCHoklch(92% 0.156 107.9)
XYZxyz(67.8944, 79.2637, 23.7771)
Luminance0.7926 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFEC64 #6467EF
analogous
#EFA764 #EFEC64 #ADEF64
triadic
#EFEC64 #64EFEC #EC64EF
tetradic
#EFEC64 #64EFA7 #6467EF #EF64AD
square
#EFEC64 #64EFA7 #6467EF #EF64AD
split-complementary
#EFEC64 #64ADEF #A764EF
monochromatic
#C4C114 #E9E52D #EFEC64 #F5F39B #FAFAD3

Accessibility & contrast

On white

1.25
#EFEC64 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.85
#EFEC64 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEC64
16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFEC64#FFFFFF#000000##000000
##EFEC641.001.2516.8516.85
#FFFFFF1.251.0021.0021.00
#00000016.8521.001.001.00
##00000016.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#FEE355
Deuteranopia (green-blind)
#FFE96C
Tritanopia (blue-blind)
#FFDECF
Achromatopsia (no color)
#E6E6E6

Design tokens & code

CSS
--color: #efec64;
/* rgb */ color: rgb(239, 236, 100);
/* oklch */ color: oklch(92.0% 0.156 107.9);
Tailwind
colors: {
  custom: {
    50: '#f7f195',
    500: '#efec64',
    950: '#000000',
  },
}
SCSS
$custom: #efec64;
$custom-light: #f7f195;
$custom-dark: #000000;
JSON
{
  "hex": "#efec64",
  "rgb": {
    "r": 239,
    "g": 236,
    "b": 100
  },
  "hsl": {
    "h": 58.705,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.92001,
    "c": 0.15621,
    "h": 107.9
  },
  "luminance": 0.79262
}

Semantic roles & 50–950 ramp

primary
#EFEC64
secondary
#3538C2
accent
#0CDE08
background
#FFFFFC
surface
#FFFEF5
border
#D7D6CF
text
#18160E
muted
#86857F

Preview Lab

Preview with #EFEC64

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

Preview Lab → · Contrast checker → · Palette generator →

#EFEC64 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva