#66FC78#66FC78

#66FC78 is a very light, highly saturated green. Relative luminance 0.738; OKLCH L 88.1% C 0.217 H 145.6°. Best body text is #000000 at 15.76:1 contrast (WCAG AA passes).

Color values

HEX	#66FC78
RGB	rgb(102, 252, 120)
HSL	hsl(127, 96%, 69%)
HSV	hsv(127, 60%, 99%)
CMYK	cmyk(59.5%, 0%, 52.4%, 1.2%)
CIE-LAB	lab(88.83, -66.00, 51.02)
CIE-LCH	lch(88.83, 83.42, 142.30°)
OKLab	oklab(88.15% -0.1786 0.1224)
OKLCH	oklch(88.15% 0.217 145.6)
XYZ	xyz(43.6773, 73.7975, 29.7083)
Luminance	0.7380 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FC78 #FC66EA

analogous

#9FFC66 #66FC78 #66FCC3

triadic

#66FC78 #7866FC #FC7866

tetradic

#66FC78 #669FFC #FC66EA #FCC366

square

#66FC78 #669FFC #FC66EA #FCC366

split-complementary

#66FC78 #C366FC #FC669F

monochromatic

#04E31F #2AFB43 #66FC78 #A2FDAD #DEFEE2

Accessibility & contrast

On white

1.33

#66FC78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.76

#66FC78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FC78

15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FC78	#FFFFFF	#000000	##000000
##66FC78	1.00	1.33	15.76	15.76
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.76	21.00	1.00	1.00
##000000	15.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE76C

Deuteranopia (green-blind)

#EDDA82

Tritanopia (blue-blind)

#44F6DE

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66fc78;
/* rgb */ color: rgb(102, 252, 120);
/* oklch */ color: oklch(88.1% 0.217 145.6);

Tailwind

colors: {
  custom: {
    50: '#9ffea2',
    500: '#66fc78',
    950: '#000000',
  },
}

SCSS

$custom: #66fc78;
$custom-light: #9ffea2;
$custom-dark: #000000;

JSON

{
  "hex": "#66fc78",
  "rgb": {
    "r": 102,
    "g": 252,
    "b": 120
  },
  "hsl": {
    "h": 127.2,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.88147,
    "c": 0.21651,
    "h": 145.6
  },
  "luminance": 0.73802
}

Semantic roles & 50–950 ramp

primary

#66FC78

secondary

#D630C2

accent

#00CAE6

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10180F

muted

#818680

Preview Lab

Preview with #66FC78

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

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