#ECF3CC#ECF3CC

#ECF3CC is a very light, muted yellow-green. Relative luminance 0.863; OKLCH L 94.9% C 0.052 H 115.7°. Best body text is #000000 at 18.26:1 contrast (WCAG AA passes).

Color values

HEX	#ECF3CC
RGB	rgb(236, 243, 204)
HSL	hsl(71, 62%, 88%)
HSV	hsv(71, 16%, 95%)
CMYK	cmyk(2.9%, 0%, 16%, 4.7%)
CIE-LAB	lab(94.44, -8.83, 18.05)
CIE-LCH	lch(94.44, 20.10, 116.06°)
OKLab	oklab(94.89% -0.0223 0.0465)
OKLCH	oklch(94.89% 0.052 115.7)
XYZ	xyz(77.5406, 86.2940, 69.6865)
Luminance	0.8629 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF3CC #D3CCF3

analogous

#F3E6CC #ECF3CC #D8F3CC

triadic

#ECF3CC #CCECF3 #F3CCEC

tetradic

#ECF3CC #CCF3E6 #D3CCF3 #F3CCD8

square

#ECF3CC #CCF3E6 #D3CCF3 #F3CCD8

split-complementary

#ECF3CC #CCD8F3 #E6CCF3

monochromatic

#C7DC69 #DAE79A #ECF3CC #F6F9E6 #F6F9E6

Accessibility & contrast

On white

1.15

#ECF3CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.26

#ECF3CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF3CC

18.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF3CC	#FFFFFF	#000000	##000000
##ECF3CC	1.00	1.15	18.26	18.26
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.26	21.00	1.00	1.00
##000000	18.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9EFCA

Deuteranopia (green-blind)

#F8EFCD

Tritanopia (blue-blind)

#F1EEE8

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf3cc;
/* rgb */ color: rgb(236, 243, 204);
/* oklch */ color: oklch(94.9% 0.052 115.7);

Tailwind

colors: {
  custom: {
    50: '#f2f7db',
    500: '#ecf3cc',
    950: '#000000',
  },
}

SCSS

$custom: #ecf3cc;
$custom-light: #f2f7db;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf3cc",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 204
  },
  "hsl": {
    "h": 70.769,
    "s": 61.905,
    "l": 87.647
  },
  "oklch": {
    "l": 0.94888,
    "c": 0.05157,
    "h": 115.7
  },
  "luminance": 0.86294
}

Semantic roles & 50–950 ramp

primary

#ECF3CC

secondary

#9C90D3

accent

#1CCA3B

background

#FFFFFE

surface

#FEFEFB

border

#D6D6D4

text

#171715

muted

#858584

Preview Lab

Preview with #ECF3CC

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

Preview Lab → · Contrast checker → · Palette generator →