#ECF1BB#ECF1BB

#ECF1BB is a very light, moderate yellow. Relative luminance 0.843; OKLCH L 94.1% C 0.070 H 112.0°. Best body text is #000000 at 17.87:1 contrast (WCAG AA passes).

Color values

HEX	#ECF1BB
RGB	rgb(236, 241, 187)
HSL	hsl(66, 66%, 84%)
HSV	hsv(66, 22%, 95%)
CMYK	cmyk(2.1%, 0%, 22.4%, 5.5%)
CIE-LAB	lab(93.59, -10.32, 25.60)
CIE-LCH	lch(93.59, 27.60, 111.95°)
OKLab	oklab(94.11% -0.0263 0.065)
OKLCH	oklch(94.11% 0.07 112)
XYZ	xyz(75.0165, 84.3320, 59.3299)
Luminance	0.8433 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF1BB #C0BBF1

analogous

#F1DBBB #ECF1BB #D1F1BB

triadic

#ECF1BB #BBECF1 #F1BBEC

tetradic

#ECF1BB #BBF1DB #C0BBF1 #F1BBD1

square

#ECF1BB #BBF1DB #C0BBF1 #F1BBD1

split-complementary

#ECF1BB #BBD1F1 #DBBBF1

monochromatic

#D0DC55 #DEE788 #ECF1BB #F8FAE6 #F8FAE6

Accessibility & contrast

On white

1.18

#ECF1BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.87

#ECF1BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF1BB

17.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF1BB	#FFFFFF	#000000	##000000
##ECF1BB	1.00	1.18	17.87	17.87
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.87	21.00	1.00	1.00
##000000	17.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAECB8

Deuteranopia (green-blind)

#FAEDBD

Tritanopia (blue-blind)

#F3EAE2

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf1bb;
/* rgb */ color: rgb(236, 241, 187);
/* oklch */ color: oklch(94.1% 0.070 112.0);

Tailwind

colors: {
  custom: {
    50: '#f2f5cf',
    500: '#ecf1bb',
    950: '#000000',
  },
}

SCSS

$custom: #ecf1bb;
$custom-light: #f2f5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf1bb",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 187
  },
  "hsl": {
    "h": 65.556,
    "s": 65.854,
    "l": 83.922
  },
  "oklch": {
    "l": 0.9411,
    "c": 0.07015,
    "h": 112
  },
  "luminance": 0.84331
}

Semantic roles & 50–950 ramp

primary

#ECF1BB

secondary

#8780D0

accent

#18CE29

background

#FFFFFE

surface

#FEFEFB

border

#D6D6D4

text

#171714

muted

#858583

Preview Lab

Preview with #ECF1BB

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

Preview Lab → · Contrast checker → · Palette generator →