#EFEE42#EFEE42

#EFEE42 is a very light, vivid yellow. Relative luminance 0.799; OKLCH L 92.2% C 0.181 H 109.1°. Best body text is #000000 at 16.98:1 contrast (WCAG AA passes).

Color values

HEX#EFEE42
RGBrgb(239, 238, 66)
HSLhsl(60, 84%, 60%)
HSVhsv(60, 72%, 94%)
CMYKcmyk(0%, 0.4%, 72.4%, 6.3%)
CIE-LABlab(91.64, -18.62, 77.81)
CIE-LCHlch(91.64, 80.01, 103.46°)
OKLaboklab(92.15% -0.0595 0.1713)
OKLCHoklch(92.15% 0.181 109.1)
XYZxyz(67.1570, 79.8952, 17.0369)
Luminance0.7989 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFEE42 #4243EF
analogous
#EF9742 #EFEE42 #9AEF42
triadic
#EFEE42 #42EFEE #EE42EF
tetradic
#EFEE42 #42EF97 #4243EF #EF429A
square
#EFEE42 #42EF97 #4243EF #EF429A
split-complementary
#EFEE42 #429AEF #9742EF
monochromatic
#A8A70E #E1E013 #EFEE42 #F4F37A #F9F8B3

Accessibility & contrast

On white

1.24
#EFEE42 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.98
#EFEE42 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEE42
16.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFEE42#FFFFFF#000000##000000
##EFEE421.001.2416.9816.98
#FFFFFF1.241.0021.0021.00
#00000016.9821.001.001.00
##00000016.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE41E
Deuteranopia (green-blind)
#FFEA50
Tritanopia (blue-blind)
#FFDFCD
Achromatopsia (no color)
#E7E7E7

Design tokens & code

CSS
--color: #efee42;
/* rgb */ color: rgb(239, 238, 66);
/* oklch */ color: oklch(92.2% 0.181 109.1);
Tailwind
colors: {
  custom: {
    50: '#f8f382',
    500: '#efee42',
    950: '#000000',
  },
}
SCSS
$custom: #efee42;
$custom-light: #f8f382;
$custom-dark: #000000;
JSON
{
  "hex": "#efee42",
  "rgb": {
    "r": 239,
    "g": 238,
    "b": 66
  },
  "hsl": {
    "h": 59.653,
    "s": 84.39,
    "l": 59.804
  },
  "oklch": {
    "l": 0.92152,
    "c": 0.18128,
    "h": 109.1
  },
  "luminance": 0.79893
}

Semantic roles & 50–950 ramp

primary
#EFEE42
secondary
#2C2CAA
accent
#2EFB2D
background
#FFFFFB
surface
#FFFEF2
border
#D7D6CC
text
#18160B
muted
#86857E

Preview Lab

Preview with #EFEE42

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

Preview Lab → · Contrast checker → · Palette generator →

#EFEE42 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva