#EFFDF3#EFFDF3

#EFFDF3 is a very light, near-neutral green. Relative luminance 0.951; OKLCH L 98.1% C 0.020 H 154.9°. Best body text is #000000 at 20.01:1 contrast (WCAG AA passes).

Color values

HEX#EFFDF3
RGBrgb(239, 253, 243)
HSLhsl(137, 78%, 96%)
HSVhsv(137, 6%, 99%)
CMYKcmyk(5.5%, 0%, 4%, 0.8%)
CIE-LABlab(98.06, -6.37, 3.20)
CIE-LCHlch(98.06, 7.13, 153.34°)
OKLaboklab(98.09% -0.0179 0.0084)
OKLCHoklch(98.09% 0.02 154.9)
XYZxyz(86.8965, 95.0717, 98.5493)
Luminance0.9507 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFFDF3 #FDEFF9
analogous
#F2FDEF #EFFDF3 #EFFDFA
triadic
#EFFDF3 #F3EFFD #FDF3EF
tetradic
#EFFDF3 #EFF2FD #FDEFF9 #FDFAEF
square
#EFFDF3 #EFF2FD #FDEFF9 #FDFAEF
split-complementary
#EFFDF3 #FAEFFD #FDEFF2
monochromatic
#82EFA1 #B9F6CA #E4FCEB #E4FCEB #E4FCEB

Accessibility & contrast

On white

1.05
#EFFDF3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

20.01
#EFFDF3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFDF3
20.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFFDF3#FFFFFF#000000##000000
##EFFDF31.001.0520.0120.01
#FFFFFF1.051.0021.0021.00
#00000020.0121.001.001.00
##00000020.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#FDFAF3
Deuteranopia (green-blind)
#FAF9F3
Tritanopia (blue-blind)
#EDFDFA
Achromatopsia (no color)
#F9F9F9

Design tokens & code

CSS
--color: #effdf3;
/* rgb */ color: rgb(239, 253, 243);
/* oklch */ color: oklch(98.1% 0.020 154.9);
Tailwind
colors: {
  custom: {
    50: '#f4fef7',
    500: '#effdf3',
    950: '#000000',
  },
}
SCSS
$custom: #effdf3;
$custom-light: #f4fef7;
$custom-dark: #000000;
JSON
{
  "hex": "#effdf3",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 243
  },
  "hsl": {
    "h": 137.143,
    "s": 77.778,
    "l": 96.471
  },
  "oklch": {
    "l": 0.98093,
    "c": 0.01972,
    "h": 154.9
  },
  "luminance": 0.95072
}

Semantic roles & 50–950 ramp

primary
#EFFDF3
secondary
#E6AAD5
accent
#0B9FDA
background
#FFFFFF
surface
#FEFFFE
border
#D6D7D6
text
#171717
muted
#858585

Preview Lab

Preview with #EFFDF3

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

Preview Lab → · Contrast checker → · Palette generator →

#EFFDF3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva