#ECF9BB#ECF9BB

#ECF9BB is a very light, moderate yellow-green. Relative luminance 0.892; OKLCH L 95.7% C 0.081 H 117.6°. Best body text is #000000 at 18.83:1 contrast (WCAG AA passes).

Color values

HEX	#ECF9BB
RGB	rgb(236, 249, 187)
HSL	hsl(73, 84%, 85%)
HSV	hsv(73, 25%, 98%)
CMYK	cmyk(5.2%, 0%, 24.9%, 2.4%)
CIE-LAB	lab(95.65, -14.27, 28.41)
CIE-LCH	lch(95.65, 31.79, 116.67°)
OKLab	oklab(95.74% -0.0375 0.0718)
OKLCH	oklch(95.74% 0.081 117.6)
XYZ	xyz(77.4368, 89.1724, 60.1366)
Luminance	0.8917 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF9BB #C8BBF9

analogous

#F9E7BB #ECF9BB #CDF9BB

triadic

#ECF9BB #BBECF9 #F9BBEC

tetradic

#ECF9BB #BBF9E7 #C8BBF9 #F9BBCD

square

#ECF9BB #BBF9E7 #C8BBF9 #F9BBCD

split-complementary

#ECF9BB #BBCDF9 #E7BBF9

monochromatic

#CDEF4B #DCF483 #ECF9BB #F7FDE3 #F7FDE3

Accessibility & contrast

On white

1.11

#ECF9BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.83

#ECF9BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF9BB

18.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF9BB	#FFFFFF	#000000	##000000
##ECF9BB	1.00	1.11	18.83	18.83
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.83	21.00	1.00	1.00
##000000	18.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF2B7

Deuteranopia (green-blind)

#FFF3BE

Tritanopia (blue-blind)

#F2F2E8

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecf9bb;
/* rgb */ color: rgb(236, 249, 187);
/* oklch */ color: oklch(95.7% 0.081 117.6);

Tailwind

colors: {
  custom: {
    50: '#f2fbcf',
    500: '#ecf9bb',
    950: '#000000',
  },
}

SCSS

$custom: #ecf9bb;
$custom-light: #f2fbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf9bb",
  "rgb": {
    "r": 236,
    "g": 249,
    "b": 187
  },
  "hsl": {
    "h": 72.581,
    "s": 83.784,
    "l": 85.49
  },
  "oklch": {
    "l": 0.95744,
    "c": 0.08105,
    "h": 117.6
  },
  "luminance": 0.89172
}

Semantic roles & 50–950 ramp

primary

#ECF9BB

secondary

#907BDD

accent

#05E033

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171714

muted

#858583

Preview Lab

Preview with #ECF9BB

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

Preview Lab → · Contrast checker → · Palette generator →