#66FE9E#66FE9E

#66FE9E is a very light, vivid green. Relative luminance 0.762; OKLCH L 89.2% C 0.186 H 152.7°. Best body text is #000000 at 16.24:1 contrast (WCAG AA passes).

Color values

HEX#66FE9E
RGBrgb(102, 254, 158)
HSLhsl(142, 99%, 70%)
HSVhsv(142, 60%, 100%)
CMYKcmyk(59.8%, 0%, 37.8%, 0.4%)
CIE-LABlab(89.94, -61.00, 34.16)
CIE-LCHlch(89.94, 69.91, 150.75°)
OKLaboklab(89.23% -0.1651 0.0852)
OKLCHoklch(89.23% 0.186 152.7)
XYZxyz(47.0891, 76.1724, 44.5623)
Luminance0.7618 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FE9E #FE66C6
analogous
#7AFE66 #66FE9E #66FEEA
triadic
#66FE9E #9E66FE #FE9E66
tetradic
#66FE9E #667AFE #FE66C6 #FEEA66
square
#66FE9E #667AFE #FE66C6 #FEEA66
split-complementary
#66FE9E #EA66FE #FE667A
monochromatic
#02E856 #29FE77 #66FE9E #A3FEC5 #E0FFEB

Accessibility & contrast

On white

1.29
#66FE9E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.24
#66FE9E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FE9E
16.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FE9E#FFFFFF#000000##000000
##66FE9E1.001.2916.2416.24
#FFFFFF1.291.0021.0021.00
#00000016.2421.001.001.00
##00000016.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#FEEB97
Deuteranopia (green-blind)
#EADDA4
Tritanopia (blue-blind)
#30FBE6
Achromatopsia (no color)
#E2E2E2

Design tokens & code

CSS
--color: #66fe9e;
/* rgb */ color: rgb(102, 254, 158);
/* oklch */ color: oklch(89.2% 0.186 152.7);
Tailwind
colors: {
  custom: {
    50: '#9fffbb',
    500: '#66fe9e',
    950: '#000000',
  },
}
SCSS
$custom: #66fe9e;
$custom-light: #9fffbb;
$custom-dark: #000000;
JSON
{
  "hex": "#66fe9e",
  "rgb": {
    "r": 102,
    "g": 254,
    "b": 158
  },
  "hsl": {
    "h": 142.105,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.89232,
    "c": 0.18581,
    "h": 152.7
  },
  "luminance": 0.76177
}

Semantic roles & 50–950 ramp

primary
#66FE9E
secondary
#D92F9A
accent
#0091E6
background
#FDFFFD
surface
#F7FFF8
border
#D0D7D1
text
#101812
muted
#818682

Preview Lab

Preview with #66FE9E

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

Preview Lab → · Contrast checker → · Palette generator →

#66FE9E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva