#ECF3CB#ECF3CB

#ECF3CB is a very light, muted yellow-green. Relative luminance 0.862; OKLCH L 94.9% C 0.053 H 115.5°. Best body text is #000000 at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#ECF3CB
RGB	rgb(236, 243, 203)
HSL	hsl(71, 63%, 87%)
HSV	hsv(71, 16%, 95%)
CMYK	cmyk(2.9%, 0%, 16.5%, 4.7%)
CIE-LAB	lab(94.42, -8.98, 18.54)
CIE-LCH	lch(94.42, 20.60, 115.85°)
OKLab	oklab(94.87% -0.0227 0.0477)
OKLCH	oklch(94.87% 0.053 115.5)
XYZ	xyz(77.4210, 86.2462, 69.0569)
Luminance	0.8625 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF3CB #D2CBF3

analogous

#F3E6CB #ECF3CB #D8F3CB

triadic

#ECF3CB #CBECF3 #F3CBEC

tetradic

#ECF3CB #CBF3E6 #D2CBF3 #F3CBD8

square

#ECF3CB #CBF3E6 #D2CBF3 #F3CBD8

split-complementary

#ECF3CB #CBD8F3 #E6CBF3

monochromatic

#C8DC68 #DAE899 #ECF3CB #F6F9E6 #F6F9E6

Accessibility & contrast

On white

1.15

#ECF3CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.25

#ECF3CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF3CB

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF3CB	#FFFFFF	#000000	##000000
##ECF3CB	1.00	1.15	18.25	18.25
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.25	21.00	1.00	1.00
##000000	18.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9EFC9

Deuteranopia (green-blind)

#F9EFCD

Tritanopia (blue-blind)

#F1EEE8

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf3cb;
/* rgb */ color: rgb(236, 243, 203);
/* oklch */ color: oklch(94.9% 0.053 115.5);

Tailwind

colors: {
  custom: {
    50: '#f2f7db',
    500: '#ecf3cb',
    950: '#000000',
  },
}

SCSS

$custom: #ecf3cb;
$custom-light: #f2f7db;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf3cb",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 203
  },
  "hsl": {
    "h": 70.5,
    "s": 62.5,
    "l": 87.451
  },
  "oklch": {
    "l": 0.94865,
    "c": 0.05284,
    "h": 115.5
  },
  "luminance": 0.86246
}

Semantic roles & 50–950 ramp

primary

#ECF3CB

secondary

#9B8FD3

accent

#1BCA3A

background

#FFFFFE

surface

#FEFEFB

border

#D6D6D4

text

#171715

muted

#858584

Preview Lab

Preview with #ECF3CB

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

Preview Lab → · Contrast checker → · Palette generator →