#66FD8A#66FD8A

#66FD8A is a very light, highly saturated green. Relative luminance 0.749; OKLCH L 88.6% C 0.202 H 148.5°. Best body text is #000000 at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#66FD8A
RGB	rgb(102, 253, 138)
HSL	hsl(134, 97%, 70%)
HSV	hsv(134, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 45.5%, 0.8%)
CIE-LAB	lab(89.35, -63.85, 43.19)
CIE-LCH	lch(89.35, 77.08, 145.92°)
OKLab	oklab(88.65% -0.1725 0.1057)
OKLCH	oklch(88.65% 0.202 148.5)
XYZ	xyz(45.1890, 74.9060, 36.1167)
Luminance	0.7491 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FD8A #FD66D9

analogous

#8DFD66 #66FD8A #66FDD6

triadic

#66FD8A #8A66FD #FD8A66

tetradic

#66FD8A #668DFD #FD66D9 #FDD666

square

#66FD8A #668DFD #FD66D9 #FDD666

split-complementary

#66FD8A #D666FD #FD668D

monochromatic

#03E639 #2AFC5C #66FD8A #A2FEB8 #DFFFE6

Accessibility & contrast

On white

1.31

#66FD8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.98

#66FD8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FD8A

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FD8A	#FFFFFF	#000000	##000000
##66FD8A	1.00	1.31	15.98	15.98
#FFFFFF	1.31	1.00	21.00	21.00
#000000	15.98	21.00	1.00	1.00
##000000	15.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE981

Deuteranopia (green-blind)

#ECDB92

Tritanopia (blue-blind)

#3DF8E2

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66fd8a;
/* rgb */ color: rgb(102, 253, 138);
/* oklch */ color: oklch(88.6% 0.202 148.5);

Tailwind

colors: {
  custom: {
    50: '#9fffae',
    500: '#66fd8a',
    950: '#000000',
  },
}

SCSS

$custom: #66fd8a;
$custom-light: #9fffae;
$custom-dark: #000000;

JSON

{
  "hex": "#66fd8a",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 138
  },
  "hsl": {
    "h": 134.305,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.8865,
    "c": 0.2023,
    "h": 148.5
  },
  "luminance": 0.7491
}

Semantic roles & 50–950 ramp

primary

#66FD8A

secondary

#D82FB0

accent

#00AFE6

background

#FDFFFD

surface

#F7FFF7

border

#D0D7D0

text

#101810

muted

#818681

Preview Lab

Preview with #66FD8A

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

Preview Lab → · Contrast checker → · Palette generator →