#66FD7A#66FD7A

#66FD7A is a very light, highly saturated green. Relative luminance 0.745; OKLCH L 88.4% C 0.216 H 145.9°. Best body text is #000000 at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#66FD7A
RGB	rgb(102, 253, 122)
HSL	hsl(128, 97%, 70%)
HSV	hsv(128, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 51.8%, 0.8%)
CIE-LAB	lab(89.15, -66.09, 50.49)
CIE-LCH	lch(89.15, 83.17, 142.63°)
OKLab	oklab(88.42% -0.1788 0.1213)
OKLCH	oklch(88.42% 0.216 145.9)
XYZ	xyz(44.1148, 74.4763, 30.4591)
Luminance	0.7448 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FD7A #FD66E9

analogous

#9EFD66 #66FD7A #66FDC6

triadic

#66FD7A #7A66FD #FD7A66

tetradic

#66FD7A #669EFD #FD66E9 #FDC666

square

#66FD7A #669EFD #FD66E9 #FDC666

split-complementary

#66FD7A #C666FD #FD669E

monochromatic

#03E621 #2AFC45 #66FD7A #A2FEAF #DFFFE3

Accessibility & contrast

On white

1.32

#66FD7A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.90

#66FD7A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FD7A

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FD7A	#FFFFFF	#000000	##000000
##66FD7A	1.00	1.32	15.90	15.90
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.90	21.00	1.00	1.00
##000000	15.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE86E

Deuteranopia (green-blind)

#EDDB84

Tritanopia (blue-blind)

#43F7DF

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66fd7a;
/* rgb */ color: rgb(102, 253, 122);
/* oklch */ color: oklch(88.4% 0.216 145.9);

Tailwind

colors: {
  custom: {
    50: '#9fffa3',
    500: '#66fd7a',
    950: '#000000',
  },
}

SCSS

$custom: #66fd7a;
$custom-light: #9fffa3;
$custom-dark: #000000;

JSON

{
  "hex": "#66fd7a",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 122
  },
  "hsl": {
    "h": 127.947,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.88418,
    "c": 0.2161,
    "h": 145.9
  },
  "luminance": 0.7448
}

Semantic roles & 50–950 ramp

primary

#66FD7A

secondary

#D82FC1

accent

#00C7E6

background

#FDFFFC

surface

#F7FFF6

border

#D0D7D0

text

#10180F

muted

#818680

Preview Lab

Preview with #66FD7A

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

Preview Lab → · Contrast checker → · Palette generator →