#ECFBB1#ECFBB1

#ECFBB1 is a very light, moderate yellow-green. Relative luminance 0.900; OKLCH L 96.0% C 0.096 H 117.6°. Best body text is #000000 at 19.00:1 contrast (WCAG AA passes).

Color values

HEX	#ECFBB1
RGB	rgb(236, 251, 177)
HSL	hsl(72, 90%, 84%)
HSV	hsv(72, 29%, 98%)
CMYK	cmyk(6%, 0%, 29.5%, 1.6%)
CIE-LAB	lab(96.00, -16.59, 33.91)
CIE-LCH	lch(96.00, 37.75, 116.07°)
OKLab	oklab(95.96% -0.0443 0.0849)
OKLCH	oklch(95.96% 0.096 117.6)
XYZ	xyz(77.0247, 90.0020, 54.9008)
Luminance	0.9000 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFBB1 #C0B1FB

analogous

#FBE5B1 #ECFBB1 #C7FBB1

triadic

#ECFBB1 #B1ECFB #FBB1EC

tetradic

#ECFBB1 #B1FBE5 #C0B1FB #FBB1C7

square

#ECFBB1 #B1FBE5 #C0B1FB #FBB1C7

split-complementary

#ECFBB1 #B1C7FB #E5B1FB

monochromatic

#D0F53D #DEF877 #ECFBB1 #F8FEE2 #F8FEE2

Accessibility & contrast

On white

1.11

#ECFBB1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.00

#ECFBB1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFBB1

19.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFBB1	#FFFFFF	#000000	##000000
##ECFBB1	1.00	1.11	19.00	19.00
#FFFFFF	1.11	1.00	21.00	21.00
#000000	19.00	21.00	1.00	1.00
##000000	19.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF3AC

Deuteranopia (green-blind)

#FFF4B4

Tritanopia (blue-blind)

#F4F3E8

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfbb1;
/* rgb */ color: rgb(236, 251, 177);
/* oklch */ color: oklch(96.0% 0.096 117.6);

Tailwind

colors: {
  custom: {
    50: '#f3fcc9',
    500: '#ecfbb1',
    950: '#000000',
  },
}

SCSS

$custom: #ecfbb1;
$custom-light: #f3fcc9;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfbb1",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 177
  },
  "hsl": {
    "h": 72.162,
    "s": 90.244,
    "l": 83.922
  },
  "oklch": {
    "l": 0.95962,
    "c": 0.09572,
    "h": 117.6
  },
  "luminance": 0.90002
}

Semantic roles & 50–950 ramp

primary

#ECFBB1

secondary

#8771DF

accent

#00E62F

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171713

muted

#858582

Preview Lab

Preview with #ECFBB1

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

Preview Lab → · Contrast checker → · Palette generator →