#66FDA1#66FDA1

#66FDA1 is a very light, vivid green. Relative luminance 0.756; OKLCH L 89.0% C 0.182 H 153.6°. Best body text is #000000 at 16.13:1 contrast (WCAG AA passes).

Color values

HEX	#66FDA1
RGB	rgb(102, 253, 161)
HSL	hsl(143, 97%, 70%)
HSV	hsv(143, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 36.4%, 0.8%)
CIE-LAB	lab(89.69, -60.09, 32.34)
CIE-LCH	lch(89.69, 68.24, 151.71°)
OKLab	oklab(89.05% -0.1628 0.0809)
OKLCH	oklch(89.05% 0.182 153.6)
XYZ	xyz(47.0340, 75.6439, 45.8334)
Luminance	0.7565 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FDA1 #FD66C2

analogous

#77FD66 #66FDA1 #66FDED

triadic

#66FDA1 #A166FD #FDA166

tetradic

#66FDA1 #6677FD #FD66C2 #FDED66

square

#66FDA1 #6677FD #FD66C2 #FDED66

split-complementary

#66FDA1 #ED66FD #FD6677

monochromatic

#03E65C #2AFC7C #66FDA1 #A2FEC6 #DFFFEB

Accessibility & contrast

On white

1.30

#66FDA1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.13

#66FDA1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDA1

16.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FDA1	#FFFFFF	#000000	##000000
##66FDA1	1.00	1.30	16.13	16.13
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.13	21.00	1.00	1.00
##000000	16.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDEA9B

Deuteranopia (green-blind)

#E9DCA7

Tritanopia (blue-blind)

#2EFAE6

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #66fda1;
/* rgb */ color: rgb(102, 253, 161);
/* oklch */ color: oklch(89.0% 0.182 153.6);

Tailwind

colors: {
  custom: {
    50: '#9effbd',
    500: '#66fda1',
    950: '#000000',
  },
}

SCSS

$custom: #66fda1;
$custom-light: #9effbd;
$custom-dark: #000000;

JSON

{
  "hex": "#66fda1",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 161
  },
  "hsl": {
    "h": 143.444,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.89046,
    "c": 0.18182,
    "h": 153.6
  },
  "luminance": 0.75649
}

Semantic roles & 50–950 ramp

primary

#66FDA1

secondary

#D82F96

accent

#008CE6

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#101812

muted

#808682

Preview Lab

Preview with #66FDA1

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

Preview Lab → · Contrast checker → · Palette generator →