#ECFDB3#ECFDB3

#ECFDB3 is a very light, moderate yellow-green. Relative luminance 0.913; OKLCH L 96.4% C 0.096 H 118.8°. Best body text is #000000 at 19.27:1 contrast (WCAG AA passes).

Color values

HEX	#ECFDB3
RGB	rgb(236, 253, 179)
HSL	hsl(74, 95%, 85%)
HSV	hsv(74, 29%, 99%)
CMYK	cmyk(6.7%, 0%, 29.2%, 0.8%)
CIE-LAB	lab(96.55, -17.30, 33.65)
CIE-LCH	lch(96.55, 37.84, 117.21°)
OKLab	oklab(96.41% -0.0462 0.0843)
OKLCH	oklch(96.41% 0.096 118.8)
XYZ	xyz(77.8536, 91.3384, 56.1677)
Luminance	0.9134 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFDB3 #C4B3FD

analogous

#FDE9B3 #ECFDB3 #C7FDB3

triadic

#ECFDB3 #B3ECFD #FDB3EC

tetradic

#ECFDB3 #B3FDE9 #C4B3FD #FDB3C7

square

#ECFDB3 #B3FDE9 #C4B3FD #FDB3C7

split-complementary

#ECFDB3 #B3C7FD #E9B3FD

monochromatic

#CEFA3C #DDFB77 #ECFDB3 #F8FEE1 #F8FEE1

Accessibility & contrast

On white

1.09

#ECFDB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.27

#ECFDB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFDB3

19.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFDB3	#FFFFFF	#000000	##000000
##ECFDB3	1.00	1.09	19.27	19.27
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.27	21.00	1.00	1.00
##000000	19.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF5AE

Deuteranopia (green-blind)

#FFF5B6

Tritanopia (blue-blind)

#F3F5EA

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #ecfdb3;
/* rgb */ color: rgb(236, 253, 179);
/* oklch */ color: oklch(96.4% 0.096 118.8);

Tailwind

colors: {
  custom: {
    50: '#f3feca',
    500: '#ecfdb3',
    950: '#000000',
  },
}

SCSS

$custom: #ecfdb3;
$custom-light: #f3feca;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfdb3",
  "rgb": {
    "r": 236,
    "g": 253,
    "b": 179
  },
  "hsl": {
    "h": 73.784,
    "s": 94.872,
    "l": 84.706
  },
  "oklch": {
    "l": 0.96412,
    "c": 0.09612,
    "h": 118.8
  },
  "luminance": 0.91338
}

Semantic roles & 50–950 ramp

primary

#ECFDB3

secondary

#8C72E2

accent

#00E635

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171713

muted

#858582

Preview Lab

Preview with #ECFDB3

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

Preview Lab → · Contrast checker → · Palette generator →