#EFFF74#EFFF74

#EFFF74 is a very light, vivid yellow. Relative luminance 0.911; OKLCH L 96.1% C 0.163 H 115.0°. Best body text is #000000 at 19.23:1 contrast (WCAG AA passes).

Color values

HEX#EFFF74
RGBrgb(239, 255, 116)
HSLhsl(67, 100%, 73%)
HSVhsv(67, 55%, 100%)
CMYKcmyk(6.3%, 0%, 54.5%, 0%)
CIE-LABlab(96.46, -23.73, 63.50)
CIE-LCHlch(96.46, 67.79, 110.49°)
OKLaboklab(96.13% -0.069 0.148)
OKLCHoklch(96.13% 0.163 115)
XYZxyz(74.5104, 91.1328, 30.1848)
Luminance0.9113 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFFF74 #8474FF
analogous
#FFC974 #EFFF74 #AAFF74
triadic
#EFFF74 #74EFFF #FF74EF
tetradic
#EFFF74 #74FFC9 #8474FF #FF74AA
square
#EFFF74 #74FFC9 #8474FF #FF74AA
split-complementary
#EFFF74 #74AAFF #C974FF
monochromatic
#DCF900 #E8FF37 #EFFF74 #F6FFB1 #FBFFE0

Accessibility & contrast

On white

1.09
#EFFF74 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

19.23
#EFFF74 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFF74
19.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFFF74#FFFFFF#000000##000000
##EFFF741.001.0919.2319.23
#FFFFFF1.091.0021.0021.00
#00000019.2321.001.001.00
##00000019.2321.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFF466
Deuteranopia (green-blind)
#FFF67C
Tritanopia (blue-blind)
#FCF2E0
Achromatopsia (no color)
#F5F5F5

Design tokens & code

CSS
--color: #efff74;
/* rgb */ color: rgb(239, 255, 116);
/* oklch */ color: oklch(96.1% 0.163 115.0);
Tailwind
colors: {
  custom: {
    50: '#f7ffa0',
    500: '#efff74',
    950: '#000000',
  },
}
SCSS
$custom: #efff74;
$custom-light: #f7ffa0;
$custom-dark: #000000;
JSON
{
  "hex": "#efff74",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 116
  },
  "hsl": {
    "h": 66.906,
    "s": 100,
    "l": 72.745
  },
  "oklch": {
    "l": 0.96131,
    "c": 0.16328,
    "h": 115
  },
  "luminance": 0.91132
}

Semantic roles & 50–950 ramp

primary
#EFFF74
secondary
#4D3BDC
accent
#00E61A
background
#FFFFFC
surface
#FFFFF5
border
#D7D7CF
text
#17170F
muted
#858580

Preview Lab

Preview with #EFFF74

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

Preview Lab → · Contrast checker → · Palette generator →

#EFFF74 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva