#ECF9DF#ECF9DF

#ECF9DF is a very light, muted yellow-green. Relative luminance 0.909; OKLCH L 96.6% C 0.037 H 128.9°. Best body text is #000000 at 19.18:1 contrast (WCAG AA passes).

Color values

HEX#ECF9DF
RGBrgb(236, 249, 223)
HSLhsl(90, 68%, 93%)
HSVhsv(90, 10%, 98%)
CMYKcmyk(5.2%, 0%, 10.4%, 2.4%)
CIE-LABlab(96.37, -8.80, 11.02)
CIE-LCHlch(96.37, 14.10, 128.60°)
OKLaboklab(96.55% -0.0231 0.0287)
OKLCHoklch(96.55% 0.037 128.9)
XYZxyz(81.7849, 90.9117, 83.0368)
Luminance0.9091 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#ECF9DF #ECDFF9
analogous
#F9F9DF #ECF9DF #DFF9DF
triadic
#ECF9DF #DFECF9 #F9DFEC
tetradic
#ECF9DF #DFF9F9 #ECDFF9 #F9DFDF
square
#ECF9DF #DFF9F9 #ECDFF9 #F9DFDF
split-complementary
#ECF9DF #DFDFF9 #F9DFF9
monochromatic
#AFE678 #CDEFAB #ECF9DF #F0FAE5 #F0FAE5

Accessibility & contrast

On white

1.09
#ECF9DF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

19.18
#ECF9DF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF9DF
19.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##ECF9DF#FFFFFF#000000##000000
##ECF9DF1.001.0919.1819.18
#FFFFFF1.091.0021.0021.00
#00000019.1821.001.001.00
##00000019.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#FCF5DE
Deuteranopia (green-blind)
#FAF4E0
Tritanopia (blue-blind)
#EDF6F1
Achromatopsia (no color)
#F5F5F5

Design tokens & code

CSS
--color: #ecf9df;
/* rgb */ color: rgb(236, 249, 223);
/* oklch */ color: oklch(96.6% 0.037 128.9);
Tailwind
colors: {
  custom: {
    50: '#f2fbe9',
    500: '#ecf9df',
    950: '#000000',
  },
}
SCSS
$custom: #ecf9df;
$custom-light: #f2fbe9;
$custom-dark: #000000;
JSON
{
  "hex": "#ecf9df",
  "rgb": {
    "r": 236,
    "g": 249,
    "b": 223
  },
  "hsl": {
    "h": 90,
    "s": 68.421,
    "l": 92.549
  },
  "oklch": {
    "l": 0.96553,
    "c": 0.03685,
    "h": 128.9
  },
  "luminance": 0.90912
}

Semantic roles & 50–950 ramp

primary
#ECF9DF
secondary
#BE9FDD
accent
#15D073
background
#FFFFFE
surface
#FEFFFC
border
#D6D7D5
text
#161716
muted
#858584

Preview Lab

Preview with #ECF9DF

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

Preview Lab → · Contrast checker → · Palette generator →

#ECF9DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva