#ECFF9C#ECFF9C

#ECFF9C is a very light, vivid yellow-green. Relative luminance 0.918; OKLCH L 96.4% C 0.125 H 117.7°. Best body text is #000000 at 19.35:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF9C
RGB	rgb(236, 255, 156)
HSL	hsl(72, 100%, 81%)
HSV	hsv(72, 39%, 100%)
CMYK	cmyk(7.5%, 0%, 38.8%, 0%)
CIE-LAB	lab(96.72, -21.06, 45.22)
CIE-LCH	lch(96.72, 49.88, 114.97°)
OKLab	oklab(96.43% -0.058 0.1105)
OKLCH	oklch(96.43% 0.125 117.7)
XYZ	xyz(76.3531, 91.7537, 45.1339)
Luminance	0.9175 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF9C #AF9CFF

analogous

#FFE09C #ECFF9C #BAFF9C

triadic

#ECFF9C #9CECFF #FF9CEC

tetradic

#ECFF9C #9CFFE0 #AF9CFF #FF9CBA

square

#ECFF9C #9CFFE0 #AF9CFF #FF9CBA

split-complementary

#ECFF9C #9CBAFF #E09CFF

monochromatic

#D5FF22 #E0FF5F #ECFF9C #F8FFD9 #F9FFE0

Accessibility & contrast

On white

1.09

#ECFF9C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.35

#ECFF9C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF9C

19.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF9C	#FFFFFF	#000000	##000000
##ECFF9C	1.00	1.09	19.35	19.35
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.35	21.00	1.00	1.00
##000000	19.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF595

Deuteranopia (green-blind)

#FFF6A1

Tritanopia (blue-blind)

#F5F5E7

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #ecff9c;
/* rgb */ color: rgb(236, 255, 156);
/* oklch */ color: oklch(96.4% 0.125 117.7);

Tailwind

colors: {
  custom: {
    50: '#f3ffba',
    500: '#ecff9c',
    950: '#000000',
  },
}

SCSS

$custom: #ecff9c;
$custom-light: #f3ffba;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff9c",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 156
  },
  "hsl": {
    "h": 71.515,
    "s": 100,
    "l": 80.588
  },
  "oklch": {
    "l": 0.96433,
    "c": 0.12478,
    "h": 117.7
  },
  "luminance": 0.91753
}

Semantic roles & 50–950 ramp

primary

#ECFF9C

secondary

#765DE2

accent

#00E62C

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171812

muted

#858682

Preview Lab

Preview with #ECFF9C

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

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