#ECFF9A#ECFF9A

#ECFF9A is a very light, vivid yellow-green. Relative luminance 0.917; OKLCH L 96.4% C 0.127 H 117.6°. Best body text is #000000 at 19.34:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF9A
RGB	rgb(236, 255, 154)
HSL	hsl(71, 100%, 80%)
HSV	hsv(71, 40%, 100%)
CMYK	cmyk(7.5%, 0%, 39.6%, 0%)
CIE-LAB	lab(96.69, -21.28, 46.15)
CIE-LCH	lch(96.69, 50.82, 114.76°)
OKLab	oklab(96.4% -0.0587 0.1125)
OKLCH	oklch(96.4% 0.127 117.6)
XYZ	xyz(76.1851, 91.6865, 44.2494)
Luminance	0.9169 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF9A #AD9AFF

analogous

#FFDF9A #ECFF9A #B9FF9A

triadic

#ECFF9A #9AECFF #FF9AEC

tetradic

#ECFF9A #9AFFDF #AD9AFF #FF9AB9

square

#ECFF9A #9AFFDF #AD9AFF #FF9AB9

split-complementary

#ECFF9A #9AB9FF #DF9AFF

monochromatic

#D5FF20 #E0FF5D #ECFF9A #F8FFD7 #F9FFE0

Accessibility & contrast

On white

1.09

#ECFF9A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.34

#ECFF9A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF9A

19.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF9A	#FFFFFF	#000000	##000000
##ECFF9A	1.00	1.09	19.34	19.34
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.34	21.00	1.00	1.00
##000000	19.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF592

Deuteranopia (green-blind)

#FFF69F

Tritanopia (blue-blind)

#F6F5E6

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #ecff9a;
/* rgb */ color: rgb(236, 255, 154);
/* oklch */ color: oklch(96.4% 0.127 117.6);

Tailwind

colors: {
  custom: {
    50: '#f3ffb9',
    500: '#ecff9a',
    950: '#000000',
  },
}

SCSS

$custom: #ecff9a;
$custom-light: #f3ffb9;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff9a",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 154
  },
  "hsl": {
    "h": 71.287,
    "s": 100,
    "l": 80.196
  },
  "oklch": {
    "l": 0.96402,
    "c": 0.12692,
    "h": 117.6
  },
  "luminance": 0.91686
}

Semantic roles & 50–950 ramp

primary

#ECFF9A

secondary

#755BE2

accent

#00E62B

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171811

muted

#858681

Preview Lab

Preview with #ECFF9A

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

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