#EFFFAC#EFFFAC

#EFFFAC is a very light, moderate yellow-green. Relative luminance 0.928; OKLCH L 96.9% C 0.106 H 117.3°. Best body text is #000000 at 19.57:1 contrast (WCAG AA passes).

Color values

HEX#EFFFAC
RGBrgb(239, 255, 172)
HSLhsl(72, 100%, 84%)
HSVhsv(72, 33%, 100%)
CMYKcmyk(6.3%, 0%, 32.5%, 0%)
CIE-LABlab(97.17, -18.07, 37.99)
CIE-LCHlch(97.17, 42.07, 115.43°)
OKLaboklab(96.92% -0.0487 0.0943)
OKLCHoklch(96.92% 0.106 117.3)
XYZxyz(78.8029, 92.8498, 52.7921)
Luminance0.9285 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFFFAC #BCACFF
analogous
#FFE5AC #EFFFAC #C5FFAC
triadic
#EFFFAC #ACEFFF #FFACEF
tetradic
#EFFFAC #ACFFE5 #BCACFF #FFACC5
square
#EFFFAC #ACFFE5 #BCACFF #FFACC5
split-complementary
#EFFFAC #ACC5FF #E5ACFF
monochromatic
#D7FF32 #E3FF6F #EFFFAC #F9FFE0 #F9FFE0

Accessibility & contrast

On white

1.07
#EFFFAC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

19.57
#EFFFAC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFAC
19.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFFFAC#FFFFFF#000000##000000
##EFFFAC1.001.0719.5719.57
#FFFFFF1.071.0021.0021.00
#00000019.5721.001.001.00
##00000019.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFF7A6
Deuteranopia (green-blind)
#FFF7B0
Tritanopia (blue-blind)
#F7F6EA
Achromatopsia (no color)
#F7F7F7

Design tokens & code

CSS
--color: #efffac;
/* rgb */ color: rgb(239, 255, 172);
/* oklch */ color: oklch(96.9% 0.106 117.3);
Tailwind
colors: {
  custom: {
    50: '#f5ffc5',
    500: '#efffac',
    950: '#000000',
  },
}
SCSS
$custom: #efffac;
$custom-light: #f5ffc5;
$custom-dark: #000000;
JSON
{
  "hex": "#efffac",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 172
  },
  "hsl": {
    "h": 71.566,
    "s": 100,
    "l": 83.725
  },
  "oklch": {
    "l": 0.96919,
    "c": 0.10617,
    "h": 117.3
  },
  "luminance": 0.92849
}

Semantic roles & 50–950 ramp

primary
#EFFFAC
secondary
#826AE5
accent
#00E62C
background
#FFFFFD
surface
#FEFFF9
border
#D6D7D2
text
#171813
muted
#858682

Preview Lab

Preview with #EFFFAC

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

Preview Lab → · Contrast checker → · Palette generator →

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