#66FDA0#66FDA0

#66FDA0 is a very light, vivid green. Relative luminance 0.756; OKLCH L 89.0% C 0.183 H 153.3°. Best body text is #000000 at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#66FDA0
RGB	rgb(102, 253, 160)
HSL	hsl(143, 97%, 70%)
HSV	hsv(143, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 36.8%, 0.8%)
CIE-LAB	lab(89.68, -60.27, 32.82)
CIE-LCH	lch(89.68, 68.63, 151.43°)
OKLab	oklab(89.03% -0.1633 0.0821)
OKLCH	oklch(89.03% 0.183 153.3)
XYZ	xyz(46.9461, 75.6088, 45.3708)
Luminance	0.7561 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FDA0 #FD66C3

analogous

#78FD66 #66FDA0 #66FDEB

triadic

#66FDA0 #A066FD #FDA066

tetradic

#66FDA0 #6678FD #FD66C3 #FDEB66

square

#66FDA0 #6678FD #FD66C3 #FDEB66

split-complementary

#66FDA0 #EB66FD #FD6678

monochromatic

#03E65A #2AFC7A #66FDA0 #A2FEC6 #DFFFEB

Accessibility & contrast

On white

1.30

#66FDA0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.12

#66FDA0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDA0

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FDA0	#FFFFFF	#000000	##000000
##66FDA0	1.00	1.30	16.12	16.12
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.12	21.00	1.00	1.00
##000000	16.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDEA9A

Deuteranopia (green-blind)

#E9DCA6

Tritanopia (blue-blind)

#2FFAE5

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #66fda0;
/* rgb */ color: rgb(102, 253, 160);
/* oklch */ color: oklch(89.0% 0.183 153.3);

Tailwind

colors: {
  custom: {
    50: '#9effbd',
    500: '#66fda0',
    950: '#000000',
  },
}

SCSS

$custom: #66fda0;
$custom-light: #9effbd;
$custom-dark: #000000;

JSON

{
  "hex": "#66fda0",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 160
  },
  "hsl": {
    "h": 143.046,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.89027,
    "c": 0.18272,
    "h": 153.3
  },
  "luminance": 0.75613
}

Semantic roles & 50–950 ramp

primary

#66FDA0

secondary

#D82F97

accent

#008DE6

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#101812

muted

#808682

Preview Lab

Preview with #66FDA0

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

Preview Lab → · Contrast checker → · Palette generator →