#EFFF75#EFFF75

#EFFF75 is a very light, vivid yellow. Relative luminance 0.912; OKLCH L 96.1% C 0.162 H 115.0°. Best body text is #000000 at 19.23:1 contrast (WCAG AA passes).

Color values

HEX#EFFF75
RGBrgb(239, 255, 117)
HSLhsl(67, 100%, 73%)
HSVhsv(67, 54%, 100%)
CMYKcmyk(6.3%, 0%, 54.1%, 0%)
CIE-LABlab(96.47, -23.65, 63.07)
CIE-LCHlch(96.47, 67.36, 110.56°)
OKLaboklab(96.14% -0.0687 0.1472)
OKLCHoklch(96.14% 0.162 115)
XYZxyz(74.5689, 91.1561, 30.4928)
Luminance0.9115 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFFF75 #8575FF
analogous
#FFCA75 #EFFF75 #AAFF75
triadic
#EFFF75 #75EFFF #FF75EF
tetradic
#EFFF75 #75FFCA #8575FF #FF75AA
square
#EFFF75 #75FFCA #8575FF #FF75AA
split-complementary
#EFFF75 #75AAFF #CA75FF
monochromatic
#DDFA00 #E8FF38 #EFFF75 #F6FFB2 #FBFFE0

Accessibility & contrast

On white

1.09
#EFFF75 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

19.23
#EFFF75 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFF75
19.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFFF75#FFFFFF#000000##000000
##EFFF751.001.0919.2319.23
#FFFFFF1.091.0021.0021.00
#00000019.2321.001.001.00
##00000019.2321.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFF467
Deuteranopia (green-blind)
#FFF67D
Tritanopia (blue-blind)
#FCF2E1
Achromatopsia (no color)
#F5F5F5

Design tokens & code

CSS
--color: #efff75;
/* rgb */ color: rgb(239, 255, 117);
/* oklch */ color: oklch(96.1% 0.162 115.0);
Tailwind
colors: {
  custom: {
    50: '#f7ffa1',
    500: '#efff75',
    950: '#000000',
  },
}
SCSS
$custom: #efff75;
$custom-light: #f7ffa1;
$custom-dark: #000000;
JSON
{
  "hex": "#efff75",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 117
  },
  "hsl": {
    "h": 66.957,
    "s": 100,
    "l": 72.941
  },
  "oklch": {
    "l": 0.96141,
    "c": 0.1624,
    "h": 115
  },
  "luminance": 0.91155
}

Semantic roles & 50–950 ramp

primary
#EFFF75
secondary
#4E3CDD
accent
#00E61B
background
#FFFFFC
surface
#FFFFF5
border
#D7D7CF
text
#17170F
muted
#858580

Preview Lab

Preview with #EFFF75

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

Preview Lab → · Contrast checker → · Palette generator →

#EFFF75 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva