#ECFFB5#ECFFB5

#ECFFB5 is a very light, moderate yellow-green. Relative luminance 0.927; OKLCH L 96.9% C 0.097 H 119.9°. Best body text is #000000 at 19.54:1 contrast (WCAG AA passes).

Color values

HEX	#ECFFB5
RGB	rgb(236, 255, 181)
HSL	hsl(75, 100%, 85%)
HSV	hsv(75, 29%, 100%)
CMYK	cmyk(7.5%, 0%, 29%, 0%)
CIE-LAB	lab(97.10, -18.01, 33.39)
CIE-LCH	lch(97.10, 37.93, 118.34°)
OKLab	oklab(96.86% -0.0482 0.0837)
OKLCH	oklch(96.86% 0.097 119.9)
XYZ	xyz(78.6920, 92.6892, 57.4523)
Luminance	0.9269 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFFB5 #C8B5FF

analogous

#FFEDB5 #ECFFB5 #C7FFB5

triadic

#ECFFB5 #B5ECFF #FFB5EC

tetradic

#ECFFB5 #B5FFED #C8B5FF #FFB5C7

square

#ECFFB5 #B5FFED #C8B5FF #FFB5C7

split-complementary

#ECFFB5 #B5C7FF #EDB5FF

monochromatic

#CDFF3B #DCFF78 #ECFFB5 #F7FFE0 #F7FFE0

Accessibility & contrast

On white

1.07

#ECFFB5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.54

#ECFFB5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFFB5

19.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFFB5	#FFFFFF	#000000	##000000
##ECFFB5	1.00	1.07	19.54	19.54
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.54	21.00	1.00	1.00
##000000	19.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF7B0

Deuteranopia (green-blind)

#FFF7B8

Tritanopia (blue-blind)

#F3F7EC

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #ecffb5;
/* rgb */ color: rgb(236, 255, 181);
/* oklch */ color: oklch(96.9% 0.097 119.9);

Tailwind

colors: {
  custom: {
    50: '#f2ffcb',
    500: '#ecffb5',
    950: '#000000',
  },
}

SCSS

$custom: #ecffb5;
$custom-light: #f2ffcb;
$custom-dark: #000000;

JSON

{
  "hex": "#ecffb5",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 181
  },
  "hsl": {
    "h": 75.405,
    "s": 100,
    "l": 85.49
  },
  "oklch": {
    "l": 0.96862,
    "c": 0.09657,
    "h": 119.9
  },
  "luminance": 0.92689
}

Semantic roles & 50–950 ramp

primary

#ECFFB5

secondary

#9072E6

accent

#00E63B

background

#FFFFFE

surface

#FEFFFA

border

#D6D7D3

text

#171813

muted

#858683

Preview Lab

Preview with #ECFFB5

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

Preview Lab → · Contrast checker → · Palette generator →