#66E88E#66E88E

#66E88E is a very light, vivid green. Relative luminance 0.625; OKLCH L 83.6% C 0.171 H 151.1°. Best body text is #000000 at 13.50:1 contrast (WCAG AA passes).

Color values

HEX#66E88E
RGBrgb(102, 232, 142)
HSLhsl(138, 74%, 65%)
HSVhsv(138, 56%, 91%)
CMYKcmyk(56%, 0%, 38.8%, 9%)
CIE-LABlab(83.17, -55.24, 33.23)
CIE-LCHlch(83.17, 64.46, 148.97°)
OKLaboklab(83.6% -0.1496 0.0827)
OKLCHoklch(83.6% 0.171 151.1)
XYZxyz(39.2157, 62.4874, 35.5806)
Luminance0.6249 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E88E #E866C0
analogous
#7FE866 #66E88E #66E8CF
triadic
#66E88E #8E66E8 #E88E66
tetradic
#66E88E #667FE8 #E866C0 #E8CF66
square
#66E88E #667FE8 #E866C0 #E8CF66
split-complementary
#66E88E #CF66E8 #E8667F
monochromatic
#1CB84C #31E067 #66E88E #9BF0B5 #D0F8DD

Accessibility & contrast

On white

1.56
#66E88E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.50
#66E88E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E88E
13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E88E#FFFFFF#000000##000000
##66E88E1.001.5613.5013.50
#FFFFFF1.561.0021.0021.00
#00000013.5021.001.001.00
##00000013.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#E9D788
Deuteranopia (green-blind)
#D7CA94
Tritanopia (blue-blind)
#43E5D1
Achromatopsia (no color)
#CFCFCF

Design tokens & code

CSS
--color: #66e88e;
/* rgb */ color: rgb(102, 232, 142);
/* oklch */ color: oklch(83.6% 0.171 151.1);
Tailwind
colors: {
  custom: {
    50: '#9cf0b0',
    500: '#66e88e',
    950: '#000000',
  },
}
SCSS
$custom: #66e88e;
$custom-light: #9cf0b0;
$custom-dark: #000000;
JSON
{
  "hex": "#66e88e",
  "rgb": {
    "r": 102,
    "g": 232,
    "b": 142
  },
  "hsl": {
    "h": 138.462,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.83595,
    "c": 0.17095,
    "h": 151.1
  },
  "luminance": 0.62491
}

Semantic roles & 50–950 ramp

primary
#66E88E
secondary
#B83A91
accent
#1099D6
background
#FCFFFD
surface
#F5FEF7
border
#CFD6D0
text
#0F1710
muted
#808581

Preview Lab

Preview with #66E88E

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

Preview Lab → · Contrast checker → · Palette generator →

#66E88E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva