#66FE9D#66FE9D

#66FE9D is a very light, vivid green. Relative luminance 0.761; OKLCH L 89.2% C 0.187 H 152.5°. Best body text is #000000 at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#66FE9D
RGB	rgb(102, 254, 157)
HSL	hsl(142, 99%, 70%)
HSV	hsv(142, 60%, 100%)
CMYK	cmyk(59.8%, 0%, 38.2%, 0.4%)
CIE-LAB	lab(89.92, -61.17, 34.64)
CIE-LCH	lch(89.92, 70.30, 150.48°)
OKLab	oklab(89.21% -0.1655 0.0863)
OKLCH	oklch(89.21% 0.187 152.5)
XYZ	xyz(47.0034, 76.1381, 44.1108)
Luminance	0.7614 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FE9D #FE66C7

analogous

#7BFE66 #66FE9D #66FEE9

triadic

#66FE9D #9D66FE #FE9D66

tetradic

#66FE9D #667BFE #FE66C7 #FEE966

square

#66FE9D #667BFE #FE66C7 #FEE966

split-complementary

#66FE9D #E966FE #FE667B

monochromatic

#02E855 #29FE76 #66FE9D #A3FEC4 #E0FFEB

Accessibility & contrast

On white

1.29

#66FE9D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.23

#66FE9D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FE9D

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FE9D	#FFFFFF	#000000	##000000
##66FE9D	1.00	1.29	16.23	16.23
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.23	21.00	1.00	1.00
##000000	16.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEEB96

Deuteranopia (green-blind)

#EADDA3

Tritanopia (blue-blind)

#31FBE6

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #66fe9d;
/* rgb */ color: rgb(102, 254, 157);
/* oklch */ color: oklch(89.2% 0.187 152.5);

Tailwind

colors: {
  custom: {
    50: '#9fffba',
    500: '#66fe9d',
    950: '#000000',
  },
}

SCSS

$custom: #66fe9d;
$custom-light: #9fffba;
$custom-dark: #000000;

JSON

{
  "hex": "#66fe9d",
  "rgb": {
    "r": 102,
    "g": 254,
    "b": 157
  },
  "hsl": {
    "h": 141.711,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.89214,
    "c": 0.1867,
    "h": 152.5
  },
  "luminance": 0.76143
}

Semantic roles & 50–950 ramp

primary

#66FE9D

secondary

#D92F9C

accent

#0092E6

background

#FDFFFD

surface

#F7FFF8

border

#D0D7D1

text

#101812

muted

#818682

Preview Lab

Preview with #66FE9D

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

Preview Lab → · Contrast checker → · Palette generator →