#66FC8A#66FC8A

#66FC8A is a very light, highly saturated green. Relative luminance 0.743; OKLCH L 88.4% C 0.201 H 148.6°. Best body text is #000000 at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#66FC8A
RGB	rgb(102, 252, 138)
HSL	hsl(134, 96%, 69%)
HSV	hsv(134, 60%, 99%)
CMYK	cmyk(59.5%, 0%, 45.2%, 1.2%)
CIE-LAB	lab(89.05, -63.48, 42.81)
CIE-LCH	lch(89.05, 76.57, 146.00°)
OKLab	oklab(88.41% -0.1715 0.1048)
OKLCH	oklch(88.41% 0.201 148.6)
XYZ	xyz(44.8742, 74.2762, 36.0118)
Luminance	0.7428 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FC8A #FC66D8

analogous

#8DFC66 #66FC8A #66FCD5

triadic

#66FC8A #8A66FC #FC8A66

tetradic

#66FC8A #668DFC #FC66D8 #FCD566

square

#66FC8A #668DFC #FC66D8 #FCD566

split-complementary

#66FC8A #D566FC #FC668D

monochromatic

#04E33A #2AFB5C #66FC8A #A2FDB8 #DEFEE6

Accessibility & contrast

On white

1.32

#66FC8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.86

#66FC8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FC8A

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FC8A	#FFFFFF	#000000	##000000
##66FC8A	1.00	1.32	15.86	15.86
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.86	21.00	1.00	1.00
##000000	15.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE881

Deuteranopia (green-blind)

#EBDA92

Tritanopia (blue-blind)

#3DF7E1

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66fc8a;
/* rgb */ color: rgb(102, 252, 138);
/* oklch */ color: oklch(88.4% 0.201 148.6);

Tailwind

colors: {
  custom: {
    50: '#9ffeae',
    500: '#66fc8a',
    950: '#000000',
  },
}

SCSS

$custom: #66fc8a;
$custom-light: #9ffeae;
$custom-dark: #000000;

JSON

{
  "hex": "#66fc8a",
  "rgb": {
    "r": 102,
    "g": 252,
    "b": 138
  },
  "hsl": {
    "h": 134.4,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.88406,
    "c": 0.20101,
    "h": 148.6
  },
  "luminance": 0.74281
}

Semantic roles & 50–950 ramp

primary

#66FC8A

secondary

#D630AE

accent

#00AEE6

background

#FDFFFD

surface

#F7FFF7

border

#D0D7D0

text

#101810

muted

#818681

Preview Lab

Preview with #66FC8A

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

Preview Lab → · Contrast checker → · Palette generator →