#ECFBC9#ECFBC9

#ECFBC9 is a very light, moderate yellow-green. Relative luminance 0.910; OKLCH L 96.4% C 0.067 H 121.2°. Best body text is #000000 at 19.21:1 contrast (WCAG AA passes).

Color values

HEX	#ECFBC9
RGB	rgb(236, 251, 201)
HSL	hsl(78, 86%, 89%)
HSV	hsv(78, 20%, 98%)
CMYK	cmyk(6%, 0%, 19.9%, 1.6%)
CIE-LAB	lab(96.43, -13.25, 22.37)
CIE-LCH	lch(96.43, 25.99, 120.64°)
OKLab	oklab(96.45% -0.0347 0.0572)
OKLCH	oklch(96.45% 0.067 121.2)
XYZ	xyz(79.6306, 91.0443, 68.6252)
Luminance	0.9104 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFBC9 #D8C9FB

analogous

#FBF1C9 #ECFBC9 #D3FBC9

triadic

#ECFBC9 #C9ECFB #FBC9EC

tetradic

#ECFBC9 #C9FBF1 #D8C9FB #FBC9D3

square

#ECFBC9 #C9FBF1 #D8C9FB #FBC9D3

split-complementary

#ECFBC9 #C9D3FB #F1C9FB

monochromatic

#C4F357 #D8F790 #ECFBC9 #F5FDE3 #F5FDE3

Accessibility & contrast

On white

1.09

#ECFBC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.21

#ECFBC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFBC9

19.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFBC9	#FFFFFF	#000000	##000000
##ECFBC9	1.00	1.09	19.21	19.21
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.21	21.00	1.00	1.00
##000000	19.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF5C6

Deuteranopia (green-blind)

#FFF5CB

Tritanopia (blue-blind)

#F0F6ED

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #ecfbc9;
/* rgb */ color: rgb(236, 251, 201);
/* oklch */ color: oklch(96.4% 0.067 121.2);

Tailwind

colors: {
  custom: {
    50: '#f2fcd9',
    500: '#ecfbc9',
    950: '#000000',
  },
}

SCSS

$custom: #ecfbc9;
$custom-light: #f2fcd9;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfbc9",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 201
  },
  "hsl": {
    "h": 78,
    "s": 86.207,
    "l": 88.627
  },
  "oklch": {
    "l": 0.96446,
    "c": 0.06688,
    "h": 121.2
  },
  "luminance": 0.91044
}

Semantic roles & 50–950 ramp

primary

#ECFBC9

secondary

#A287E1

accent

#03E346

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171714

muted

#858583

Preview Lab

Preview with #ECFBC9

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

Preview Lab → · Contrast checker → · Palette generator →