#ECF3DD#ECF3DD

#ECF3DD is a very light, muted yellow-green. Relative luminance 0.872; OKLCH L 95.3% C 0.030 H 121.4°. Best body text is #000000 at 18.43:1 contrast (WCAG AA passes).

Color values

HEX	#ECF3DD
RGB	rgb(236, 243, 221)
HSL	hsl(79, 48%, 91%)
HSV	hsv(79, 9%, 95%)
CMYK	cmyk(2.9%, 0%, 9.1%, 4.7%)
CIE-LAB	lab(94.80, -6.12, 9.81)
CIE-LCH	lch(94.80, 11.56, 121.98°)
OKLab	oklab(95.3% -0.0156 0.0256)
OKLCH	oklch(95.3% 0.03 121.4)
XYZ	xyz(79.6919, 87.1545, 81.0168)
Luminance	0.8716 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF3DD #E4DDF3

analogous

#F3EFDD #ECF3DD #E1F3DD

triadic

#ECF3DD #DDECF3 #F3DDEC

tetradic

#ECF3DD #DDF3EF #E4DDF3 #F3DDE1

square

#ECF3DD #DDF3EF #E4DDF3 #F3DDE1

split-complementary

#ECF3DD #DDE1F3 #EFDDF3

monochromatic

#B9D383 #D3E3B0 #ECF3DD #F2F7E8 #F2F7E8

Accessibility & contrast

On white

1.14

#ECF3DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.43

#ECF3DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF3DD

18.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF3DD	#FFFFFF	#000000	##000000
##ECF3DD	1.00	1.14	18.43	18.43
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.43	21.00	1.00	1.00
##000000	18.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6F0DC

Deuteranopia (green-blind)

#F5F0DE

Tritanopia (blue-blind)

#EEF0ED

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecf3dd;
/* rgb */ color: rgb(236, 243, 221);
/* oklch */ color: oklch(95.3% 0.030 121.4);

Tailwind

colors: {
  custom: {
    50: '#f2f7e7',
    500: '#ecf3dd',
    950: '#000000',
  },
}

SCSS

$custom: #ecf3dd;
$custom-light: #f2f7e7;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf3dd",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 221
  },
  "hsl": {
    "h": 79.091,
    "s": 47.826,
    "l": 90.98
  },
  "oklch": {
    "l": 0.95298,
    "c": 0.02996,
    "h": 121.4
  },
  "luminance": 0.87155
}

Semantic roles & 50–950 ramp

primary

#ECF3DD

secondary

#B2A3D1

accent

#2ABB58

background

#FFFFFE

surface

#FEFEFC

border

#D6D6D5

text

#161716

muted

#858584

Preview Lab

Preview with #ECF3DD

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

Preview Lab → · Contrast checker → · Palette generator →