#ECF3BB#ECF3BB

#ECF3BB is a very light, moderate yellow. Relative luminance 0.855; OKLCH L 94.5% C 0.073 H 113.6°. Best body text is #000000 at 18.10:1 contrast (WCAG AA passes).

Color values

HEX	#ECF3BB
RGB	rgb(236, 243, 187)
HSL	hsl(68, 70%, 84%)
HSV	hsv(68, 23%, 95%)
CMYK	cmyk(2.9%, 0%, 23%, 4.7%)
CIE-LAB	lab(94.11, -11.31, 26.30)
CIE-LCH	lch(94.11, 28.63, 113.27°)
OKLab	oklab(94.52% -0.0291 0.0667)
OKLCH	oklch(94.52% 0.073 113.6)
XYZ	xyz(75.6118, 85.5225, 59.5283)
Luminance	0.8552 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF3BB #C2BBF3

analogous

#F3DEBB #ECF3BB #D0F3BB

triadic

#ECF3BB #BBECF3 #F3BBEC

tetradic

#ECF3BB #BBF3DE #C2BBF3 #F3BBD0

square

#ECF3BB #BBF3DE #C2BBF3 #F3BBD0

split-complementary

#ECF3BB #BBD0F3 #DEBBF3

monochromatic

#CFE153 #DDEA87 #ECF3BB #F8FAE5 #F8FAE5

Accessibility & contrast

On white

1.16

#ECF3BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.10

#ECF3BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF3BB

18.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF3BB	#FFFFFF	#000000	##000000
##ECF3BB	1.00	1.16	18.10	18.10
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.10	21.00	1.00	1.00
##000000	18.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCEDB7

Deuteranopia (green-blind)

#FBEFBD

Tritanopia (blue-blind)

#F3ECE4

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf3bb;
/* rgb */ color: rgb(236, 243, 187);
/* oklch */ color: oklch(94.5% 0.073 113.6);

Tailwind

colors: {
  custom: {
    50: '#f2f7cf',
    500: '#ecf3bb',
    950: '#000000',
  },
}

SCSS

$custom: #ecf3bb;
$custom-light: #f2f7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf3bb",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 187
  },
  "hsl": {
    "h": 67.5,
    "s": 70,
    "l": 84.314
  },
  "oklch": {
    "l": 0.94517,
    "c": 0.07282,
    "h": 113.6
  },
  "luminance": 0.85522
}

Semantic roles & 50–950 ramp

primary

#ECF3BB

secondary

#8A7FD3

accent

#14D22B

background

#FFFFFE

surface

#FEFEFB

border

#D6D6D4

text

#171714

muted

#858583

Preview Lab

Preview with #ECF3BB

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

Preview Lab → · Contrast checker → · Palette generator →