#ECFF8F#ECFF8F

#ECFF8F is a very light, vivid yellow-green. Relative luminance 0.913; OKLCH L 96.2% C 0.138 H 117.0°. Best body text is #000000 at 19.27:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF8F
RGB	rgb(236, 255, 143)
HSL	hsl(70, 100%, 78%)
HSV	hsv(70, 44%, 100%)
CMYK	cmyk(7.5%, 0%, 43.9%, 0%)
CIE-LAB	lab(96.55, -22.45, 51.24)
CIE-LCH	lch(96.55, 55.94, 113.66°)
OKLab	oklab(96.24% -0.0628 0.1234)
OKLCH	oklch(96.24% 0.138 117)
XYZ	xyz(75.3106, 91.3367, 39.6436)
Luminance	0.9134 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF8F #A28FFF

analogous

#FFDA8F #ECFF8F #B4FF8F

triadic

#ECFF8F #8FECFF #FF8FEC

tetradic

#ECFF8F #8FFFDA #A28FFF #FF8FB4

square

#ECFF8F #8FFFDA #A28FFF #FF8FB4

split-complementary

#ECFF8F #8FB4FF #DA8FFF

monochromatic

#D7FF15 #E2FF52 #ECFF8F #F6FFCC #FAFFE0

Accessibility & contrast

On white

1.09

#ECFF8F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.27

#ECFF8F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF8F

19.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF8F	#FFFFFF	#000000	##000000
##ECFF8F	1.00	1.09	19.27	19.27
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.27	21.00	1.00	1.00
##000000	19.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF586

Deuteranopia (green-blind)

#FFF695

Tritanopia (blue-blind)

#F7F4E4

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #ecff8f;
/* rgb */ color: rgb(236, 255, 143);
/* oklch */ color: oklch(96.2% 0.138 117.0);

Tailwind

colors: {
  custom: {
    50: '#f4ffb2',
    500: '#ecff8f',
    950: '#000000',
  },
}

SCSS

$custom: #ecff8f;
$custom-light: #f4ffb2;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff8f",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 143
  },
  "hsl": {
    "h": 70.179,
    "s": 100,
    "l": 78.039
  },
  "oklch": {
    "l": 0.96241,
    "c": 0.13846,
    "h": 117
  },
  "luminance": 0.91336
}

Semantic roles & 50–950 ramp

primary

#ECFF8F

secondary

#6A52E0

accent

#00E627

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171811

muted

#858681

Preview Lab

Preview with #ECFF8F

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

Preview Lab → · Contrast checker → · Palette generator →