#EFFFCA#EFFFCA

#EFFFCA is a very light, moderate yellow-green. Relative luminance 0.941; OKLCH L 97.5% C 0.071 H 121.4°. Best body text is #000000 at 19.83:1 contrast (WCAG AA passes).

Color values

HEX#EFFFCA
RGBrgb(239, 255, 202)
HSLhsl(78, 100%, 90%)
HSVhsv(78, 21%, 100%)
CMYKcmyk(6.3%, 0%, 20.8%, 0%)
CIE-LABlab(97.69, -14.01, 23.63)
CIE-LCHlch(97.69, 27.47, 120.66°)
OKLaboklab(97.5% -0.0368 0.0603)
OKLCHoklch(97.5% 0.071 121.4)
XYZxyz(82.0161, 94.1350, 69.7148)
Luminance0.9414 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFFFCA #DACAFF
analogous
#FFF4CA #EFFFCA #D5FFCA
triadic
#EFFFCA #CAEFFF #FFCAEF
tetradic
#EFFFCA #CAFFF4 #DACAFF #FFCAD5
square
#EFFFCA #CAFFF4 #DACAFF #FFCAD5
split-complementary
#EFFFCA #CAD5FF #F4CAFF
monochromatic
#CAFF50 #DDFF8D #EFFFCA #F6FFE0 #F6FFE0

Accessibility & contrast

On white

1.06
#EFFFCA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

19.83
#EFFFCA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFCA
19.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFFFCA#FFFFFF#000000##000000
##EFFFCA1.001.0619.8319.83
#FFFFFF1.061.0021.0021.00
#00000019.8321.001.001.00
##00000019.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFF9C7
Deuteranopia (green-blind)
#FFF8CC
Tritanopia (blue-blind)
#F4F9F0
Achromatopsia (no color)
#F8F8F8

Design tokens & code

CSS
--color: #efffca;
/* rgb */ color: rgb(239, 255, 202);
/* oklch */ color: oklch(97.5% 0.071 121.4);
Tailwind
colors: {
  custom: {
    50: '#f4ffda',
    500: '#efffca',
    950: '#000000',
  },
}
SCSS
$custom: #efffca;
$custom-light: #f4ffda;
$custom-dark: #000000;
JSON
{
  "hex": "#efffca",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 202
  },
  "hsl": {
    "h": 78.113,
    "s": 100,
    "l": 89.608
  },
  "oklch": {
    "l": 0.97503,
    "c": 0.07064,
    "h": 121.4
  },
  "luminance": 0.94135
}

Semantic roles & 50–950 ramp

primary
#EFFFCA
secondary
#A384E9
accent
#00E645
background
#FFFFFE
surface
#FEFFFB
border
#D6D7D4
text
#171814
muted
#858683

Preview Lab

Preview with #EFFFCA

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

Preview Lab → · Contrast checker → · Palette generator →

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