#ECFF9F#ECFF9F

#ECFF9F is a very light, vivid yellow-green. Relative luminance 0.919; OKLCH L 96.5% C 0.122 H 117.9°. Best body text is #000000 at 19.37:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF9F
RGB	rgb(236, 255, 159)
HSL	hsl(72, 100%, 81%)
HSV	hsv(72, 38%, 100%)
CMYK	cmyk(7.5%, 0%, 37.6%, 0%)
CIE-LAB	lab(96.76, -20.72, 43.82)
CIE-LCH	lch(96.76, 48.47, 115.31°)
OKLab	oklab(96.48% -0.0568 0.1074)
OKLCH	oklch(96.48% 0.122 117.9)
XYZ	xyz(76.6103, 91.8565, 46.4884)
Luminance	0.9186 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF9F #B29FFF

analogous

#FFE29F #ECFF9F #BCFF9F

triadic

#ECFF9F #9FECFF #FF9FEC

tetradic

#ECFF9F #9FFFE2 #B29FFF #FF9FBC

square

#ECFF9F #9FFFE2 #B29FFF #FF9FBC

split-complementary

#ECFF9F #9FBCFF #E29FFF

monochromatic

#D4FF25 #E0FF62 #ECFF9F #F8FFDC #F9FFE0

Accessibility & contrast

On white

1.08

#ECFF9F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.37

#ECFF9F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF9F

19.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF9F	#FFFFFF	#000000	##000000
##ECFF9F	1.00	1.08	19.37	19.37
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.37	21.00	1.00	1.00
##000000	19.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF598

Deuteranopia (green-blind)

#FFF6A4

Tritanopia (blue-blind)

#F5F5E7

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #ecff9f;
/* rgb */ color: rgb(236, 255, 159);
/* oklch */ color: oklch(96.5% 0.122 117.9);

Tailwind

colors: {
  custom: {
    50: '#f3ffbc',
    500: '#ecff9f',
    950: '#000000',
  },
}

SCSS

$custom: #ecff9f;
$custom-light: #f3ffbc;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff9f",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 159
  },
  "hsl": {
    "h": 71.875,
    "s": 100,
    "l": 81.176
  },
  "oklch": {
    "l": 0.9648,
    "c": 0.12151,
    "h": 117.9
  },
  "luminance": 0.91856
}

Semantic roles & 50–950 ramp

primary

#ECFF9F

secondary

#795FE3

accent

#00E62D

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171812

muted

#858682

Preview Lab

Preview with #ECFF9F

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

Preview Lab → · Contrast checker → · Palette generator →