#66FD8D#66FD8D

#66FD8D is a very light, vivid green. Relative luminance 0.750; OKLCH L 88.7% C 0.200 H 149.1°. Best body text is #000000 at 16.00:1 contrast (WCAG AA passes).

Color values

HEX	#66FD8D
RGB	rgb(102, 253, 141)
HSL	hsl(135, 97%, 70%)
HSV	hsv(135, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 44.3%, 0.8%)
CIE-LAB	lab(89.39, -63.39, 41.80)
CIE-LCH	lch(89.39, 75.93, 146.60°)
OKLab	oklab(88.7% -0.1713 0.1026)
OKLCH	oklch(88.7% 0.2 149.1)
XYZ	xyz(45.4092, 74.9940, 37.2764)
Luminance	0.7500 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FD8D #FD66D6

analogous

#8AFD66 #66FD8D #66FDD9

triadic

#66FD8D #8D66FD #FD8D66

tetradic

#66FD8D #668AFD #FD66D6 #FDD966

square

#66FD8D #668AFD #FD66D6 #FDD966

split-complementary

#66FD8D #D966FD #FD668A

monochromatic

#03E63E #2AFC60 #66FD8D #A2FEBA #DFFFE7

Accessibility & contrast

On white

1.31

#66FD8D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.00

#66FD8D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FD8D

16.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FD8D	#FFFFFF	#000000	##000000
##66FD8D	1.00	1.31	16.00	16.00
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.00	21.00	1.00	1.00
##000000	16.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE984

Deuteranopia (green-blind)

#EBDB95

Tritanopia (blue-blind)

#3BF9E2

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #66fd8d;
/* rgb */ color: rgb(102, 253, 141);
/* oklch */ color: oklch(88.7% 0.200 149.1);

Tailwind

colors: {
  custom: {
    50: '#9fffb0',
    500: '#66fd8d',
    950: '#000000',
  },
}

SCSS

$custom: #66fd8d;
$custom-light: #9fffb0;
$custom-dark: #000000;

JSON

{
  "hex": "#66fd8d",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 141
  },
  "hsl": {
    "h": 135.497,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.88697,
    "c": 0.19965,
    "h": 149.1
  },
  "luminance": 0.74998
}

Semantic roles & 50–950 ramp

primary

#66FD8D

secondary

#D82FAC

accent

#00AAE6

background

#FDFFFD

surface

#F7FFF7

border

#D0D7D0

text

#101810

muted

#818681

Preview Lab

Preview with #66FD8D

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

Preview Lab → · Contrast checker → · Palette generator →