#66E780#66E780

#66E780 is a very light, vivid green. Relative luminance 0.615; OKLCH L 83.1% C 0.182 H 147.9°. Best body text is #000000 at 13.31:1 contrast (WCAG AA passes).

Color values

HEX#66E780
RGBrgb(102, 231, 128)
HSLhsl(132, 73%, 65%)
HSVhsv(132, 56%, 91%)
CMYKcmyk(55.8%, 0%, 44.6%, 9.4%)
CIE-LABlab(82.66, -57.10, 39.54)
CIE-LCHlch(82.66, 69.45, 145.29°)
OKLaboklab(83.11% -0.1545 0.0969)
OKLCHoklch(83.11% 0.182 147.9)
XYZxyz(37.9492, 61.5317, 30.2949)
Luminance0.6153 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E780 #E766CD
analogous
#8CE766 #66E780 #66E7C0
triadic
#66E780 #8066E7 #E78066
tetradic
#66E780 #668CE7 #E766CD #E7C066
square
#66E780 #668CE7 #E766CD #E7C066
split-complementary
#66E780 #C066E7 #E7668C
monochromatic
#1DB63B #31DF54 #66E780 #9BEFAC #D0F8D8

Accessibility & contrast

On white

1.58
#66E780 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.31
#66E780 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E780
13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E780#FFFFFF#000000##000000
##66E7801.001.5813.3113.31
#FFFFFF1.581.0021.0021.00
#00000013.3121.001.001.00
##00000013.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#E9D578
Deuteranopia (green-blind)
#D8C987
Tritanopia (blue-blind)
#49E3CE
Achromatopsia (no color)
#CECECE

Design tokens & code

CSS
--color: #66e780;
/* rgb */ color: rgb(102, 231, 128);
/* oklch */ color: oklch(83.1% 0.182 147.9);
Tailwind
colors: {
  custom: {
    50: '#9cefa6',
    500: '#66e780',
    950: '#000000',
  },
}
SCSS
$custom: #66e780;
$custom-light: #9cefa6;
$custom-dark: #000000;
JSON
{
  "hex": "#66e780",
  "rgb": {
    "r": 102,
    "g": 231,
    "b": 128
  },
  "hsl": {
    "h": 132.093,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.83109,
    "c": 0.18243,
    "h": 147.9
  },
  "luminance": 0.61535
}

Semantic roles & 50–950 ramp

primary
#66E780
secondary
#B63B9D
accent
#11ADD5
background
#FCFFFC
surface
#F5FEF6
border
#CFD6D0
text
#0F170F
muted
#808580

Preview Lab

Preview with #66E780

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

Preview Lab → · Contrast checker → · Palette generator →

#66E780 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva