#66FD6A#66FD6A

#66FD6A is a very light, highly saturated green. Relative luminance 0.741; OKLCH L 88.2% C 0.229 H 143.7°. Best body text is #000000 at 15.82:1 contrast (WCAG AA passes).

Color values

HEX	#66FD6A
RGB	rgb(102, 253, 106)
HSL	hsl(122, 97%, 70%)
HSV	hsv(122, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 58.1%, 0.8%)
CIE-LAB	lab(88.98, -68.04, 57.45)
CIE-LCH	lch(88.98, 89.05, 139.82°)
OKLab	oklab(88.22% -0.1847 0.1354)
OKLCH	oklch(88.22% 0.229 143.7)
XYZ	xyz(43.2038, 74.1119, 25.6611)
Luminance	0.7412 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FD6A #FD66F9

analogous

#AEFD66 #66FD6A #66FDB5

triadic

#66FD6A #6A66FD #FD6A66

tetradic

#66FD6A #66AEFD #FD66F9 #FDB566

square

#66FD6A #66AEFD #FD66F9 #FDB566

split-complementary

#66FD6A #B566FD #FD66AE

monochromatic

#03E609 #2AFC2F #66FD6A #A2FEA5 #DFFFE0

Accessibility & contrast

On white

1.33

#66FD6A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.82

#66FD6A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FD6A

15.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FD6A	#FFFFFF	#000000	##000000
##66FD6A	1.00	1.33	15.82	15.82
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.82	21.00	1.00	1.00
##000000	15.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE75B

Deuteranopia (green-blind)

#EFDA76

Tritanopia (blue-blind)

#48F6DD

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66fd6a;
/* rgb */ color: rgb(102, 253, 106);
/* oklch */ color: oklch(88.2% 0.229 143.7);

Tailwind

colors: {
  custom: {
    50: '#a0ff99',
    500: '#66fd6a',
    950: '#000000',
  },
}

SCSS

$custom: #66fd6a;
$custom-light: #a0ff99;
$custom-dark: #000000;

JSON

{
  "hex": "#66fd6a",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 106
  },
  "hsl": {
    "h": 121.589,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.88221,
    "c": 0.22899,
    "h": 143.7
  },
  "luminance": 0.74116
}

Semantic roles & 50–950 ramp

primary

#66FD6A

secondary

#D82FD3

accent

#00DFE6

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10180E

muted

#81867F

Preview Lab

Preview with #66FD6A

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

Preview Lab → · Contrast checker → · Palette generator →