#66FC8D#66FC8D

#66FC8D is a very light, vivid green. Relative luminance 0.744; OKLCH L 88.5% C 0.198 H 149.2°. Best body text is #000000 at 15.87:1 contrast (WCAG AA passes).

Color values

HEX	#66FC8D
RGB	rgb(102, 252, 141)
HSL	hsl(136, 96%, 69%)
HSV	hsv(136, 60%, 99%)
CMYK	cmyk(59.5%, 0%, 44%, 1.2%)
CIE-LAB	lab(89.09, -63.02, 41.42)
CIE-LCH	lch(89.09, 75.41, 146.69°)
OKLab	oklab(88.45% -0.1703 0.1017)
OKLCH	oklch(88.45% 0.198 149.2)
XYZ	xyz(45.0944, 74.3643, 37.1715)
Luminance	0.7437 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FC8D #FC66D5

analogous

#8AFC66 #66FC8D #66FCD8

triadic

#66FC8D #8D66FC #FC8D66

tetradic

#66FC8D #668AFC #FC66D5 #FCD866

square

#66FC8D #668AFC #FC66D5 #FCD866

split-complementary

#66FC8D #D866FC #FC668A

monochromatic

#04E33E #2AFB60 #66FC8D #A2FDBA #DEFEE6

Accessibility & contrast

On white

1.32

#66FC8D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.87

#66FC8D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FC8D

15.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FC8D	#FFFFFF	#000000	##000000
##66FC8D	1.00	1.32	15.87	15.87
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.87	21.00	1.00	1.00
##000000	15.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE885

Deuteranopia (green-blind)

#EADA94

Tritanopia (blue-blind)

#3CF8E1

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66fc8d;
/* rgb */ color: rgb(102, 252, 141);
/* oklch */ color: oklch(88.5% 0.198 149.2);

Tailwind

colors: {
  custom: {
    50: '#9ffeb0',
    500: '#66fc8d',
    950: '#000000',
  },
}

SCSS

$custom: #66fc8d;
$custom-light: #9ffeb0;
$custom-dark: #000000;

JSON

{
  "hex": "#66fc8d",
  "rgb": {
    "r": 102,
    "g": 252,
    "b": 141
  },
  "hsl": {
    "h": 135.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.88454,
    "c": 0.19836,
    "h": 149.2
  },
  "luminance": 0.74369
}

Semantic roles & 50–950 ramp

primary

#66FC8D

secondary

#D630AB

accent

#00AAE6

background

#FDFFFD

surface

#F7FFF7

border

#D0D7D0

text

#101810

muted

#818681

Preview Lab

Preview with #66FC8D

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

Preview Lab → · Contrast checker → · Palette generator →