#ECFF9D#ECFF9D

#ECFF9D is a very light, vivid yellow-green. Relative luminance 0.918; OKLCH L 96.4% C 0.124 H 117.7°. Best body text is #000000 at 19.36:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF9D
RGB	rgb(236, 255, 157)
HSL	hsl(72, 100%, 81%)
HSV	hsv(72, 38%, 100%)
CMYK	cmyk(7.5%, 0%, 38.4%, 0%)
CIE-LAB	lab(96.73, -20.95, 44.75)
CIE-LCH	lch(96.73, 49.41, 115.08°)
OKLab	oklab(96.45% -0.0576 0.1095)
OKLCH	oklch(96.45% 0.124 117.7)
XYZ	xyz(76.4381, 91.7877, 45.5817)
Luminance	0.9179 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF9D #B09DFF

analogous

#FFE19D #ECFF9D #BBFF9D

triadic

#ECFF9D #9DECFF #FF9DEC

tetradic

#ECFF9D #9DFFE1 #B09DFF #FF9DBB

square

#ECFF9D #9DFFE1 #B09DFF #FF9DBB

split-complementary

#ECFF9D #9DBBFF #E19DFF

monochromatic

#D4FF23 #E0FF60 #ECFF9D #F8FFDA #F9FFE0

Accessibility & contrast

On white

1.08

#ECFF9D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.36

#ECFF9D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF9D

19.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF9D	#FFFFFF	#000000	##000000
##ECFF9D	1.00	1.08	19.36	19.36
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.36	21.00	1.00	1.00
##000000	19.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF596

Deuteranopia (green-blind)

#FFF6A2

Tritanopia (blue-blind)

#F5F5E7

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #ecff9d;
/* rgb */ color: rgb(236, 255, 157);
/* oklch */ color: oklch(96.4% 0.124 117.7);

Tailwind

colors: {
  custom: {
    50: '#f3ffbb',
    500: '#ecff9d',
    950: '#000000',
  },
}

SCSS

$custom: #ecff9d;
$custom-light: #f3ffbb;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff9d",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 157
  },
  "hsl": {
    "h": 71.633,
    "s": 100,
    "l": 80.784
  },
  "oklch": {
    "l": 0.96449,
    "c": 0.12369,
    "h": 117.7
  },
  "luminance": 0.91787
}

Semantic roles & 50–950 ramp

primary

#ECFF9D

secondary

#775EE3

accent

#00E62C

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171812

muted

#858682

Preview Lab

Preview with #ECFF9D

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

Preview Lab → · Contrast checker → · Palette generator →