#ECFF97#ECFF97

#ECFF97 is a very light, vivid yellow-green. Relative luminance 0.916; OKLCH L 96.4% C 0.130 H 117.4°. Best body text is #000000 at 19.32:1 contrast (WCAG AA passes).

Color values

HEX	#ECFF97
RGB	rgb(236, 255, 151)
HSL	hsl(71, 100%, 80%)
HSV	hsv(71, 41%, 100%)
CMYK	cmyk(7.5%, 0%, 40.8%, 0%)
CIE-LAB	lab(96.65, -21.61, 47.55)
CIE-LCH	lch(96.65, 52.23, 114.44°)
OKLab	oklab(96.36% -0.0598 0.1156)
OKLCH	oklch(96.36% 0.13 117.4)
XYZ	xyz(75.9384, 91.5878, 42.9499)
Luminance	0.9159 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFF97 #AA97FF

analogous

#FFDE97 #ECFF97 #B8FF97

triadic

#ECFF97 #97ECFF #FF97EC

tetradic

#ECFF97 #97FFDE #AA97FF #FF97B8

square

#ECFF97 #97FFDE #AA97FF #FF97B8

split-complementary

#ECFF97 #97B8FF #DE97FF

monochromatic

#D6FF1D #E1FF5A #ECFF97 #F7FFD4 #F9FFE0

Accessibility & contrast

On white

1.09

#ECFF97 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.32

#ECFF97 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFF97

19.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFF97	#FFFFFF	#000000	##000000
##ECFF97	1.00	1.09	19.32	19.32
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.32	21.00	1.00	1.00
##000000	19.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF58F

Deuteranopia (green-blind)

#FFF69C

Tritanopia (blue-blind)

#F6F5E6

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #ecff97;
/* rgb */ color: rgb(236, 255, 151);
/* oklch */ color: oklch(96.4% 0.130 117.4);

Tailwind

colors: {
  custom: {
    50: '#f3ffb7',
    500: '#ecff97',
    950: '#000000',
  },
}

SCSS

$custom: #ecff97;
$custom-light: #f3ffb7;
$custom-dark: #000000;

JSON

{
  "hex": "#ecff97",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 151
  },
  "hsl": {
    "h": 70.962,
    "s": 100,
    "l": 79.608
  },
  "oklch": {
    "l": 0.96357,
    "c": 0.13013,
    "h": 117.4
  },
  "luminance": 0.91587
}

Semantic roles & 50–950 ramp

primary

#ECFF97

secondary

#7259E2

accent

#00E62A

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171811

muted

#858681

Preview Lab

Preview with #ECFF97

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

Preview Lab → · Contrast checker → · Palette generator →