#66FC8B#66FC8B

#66FC8B is a very light, highly saturated green. Relative luminance 0.743; OKLCH L 88.4% C 0.200 H 148.8°. Best body text is #000000 at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#66FC8B
RGB	rgb(102, 252, 139)
HSL	hsl(135, 96%, 69%)
HSV	hsv(135, 60%, 99%)
CMYK	cmyk(59.5%, 0%, 44.8%, 1.2%)
CIE-LAB	lab(89.07, -63.33, 42.35)
CIE-LCH	lch(89.07, 76.18, 146.23°)
OKLab	oklab(88.42% -0.1711 0.1038)
OKLCH	oklch(88.42% 0.2 148.8)
XYZ	xyz(44.9469, 74.3053, 36.3948)
Luminance	0.7431 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FC8B #FC66D7

analogous

#8CFC66 #66FC8B #66FCD6

triadic

#66FC8B #8B66FC #FC8B66

tetradic

#66FC8B #668CFC #FC66D7 #FCD666

square

#66FC8B #668CFC #FC66D7 #FCD666

split-complementary

#66FC8B #D666FC #FC668C

monochromatic

#04E33B #2AFB5D #66FC8B #A2FDB9 #DEFEE6

Accessibility & contrast

On white

1.32

#66FC8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.86

#66FC8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FC8B

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FC8B	#FFFFFF	#000000	##000000
##66FC8B	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)

#FEE882

Deuteranopia (green-blind)

#EBDA93

Tritanopia (blue-blind)

#3DF7E1

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66fc8b;
/* rgb */ color: rgb(102, 252, 139);
/* oklch */ color: oklch(88.4% 0.200 148.8);

Tailwind

colors: {
  custom: {
    50: '#9ffeae',
    500: '#66fc8b',
    950: '#000000',
  },
}

SCSS

$custom: #66fc8b;
$custom-light: #9ffeae;
$custom-dark: #000000;

JSON

{
  "hex": "#66fc8b",
  "rgb": {
    "r": 102,
    "g": 252,
    "b": 139
  },
  "hsl": {
    "h": 134.8,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.88422,
    "c": 0.20013,
    "h": 148.8
  },
  "luminance": 0.7431
}

Semantic roles & 50–950 ramp

primary

#66FC8B

secondary

#D630AD

accent

#00ADE6

background

#FDFFFD

surface

#F7FFF7

border

#D0D7D0

text

#101810

muted

#818681

Preview Lab

Preview with #66FC8B

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

Preview Lab → · Contrast checker → · Palette generator →