#66DC8A#66DC8A

#66DC8A is a light, vivid green. Relative luminance 0.558; OKLCH L 80.6% C 0.158 H 151.3°. Best body text is #000000 at 12.17:1 contrast (WCAG AA passes).

Color values

HEX#66DC8A
RGBrgb(102, 220, 138)
HSLhsl(138, 63%, 63%)
HSVhsv(138, 54%, 86%)
CMYKcmyk(53.6%, 0%, 37.3%, 13.7%)
CIE-LABlab(79.52, -51.13, 30.44)
CIE-LCHlch(79.52, 59.50, 149.24°)
OKLaboklab(80.58% -0.1387 0.076)
OKLCHoklch(80.58% 0.158 151.3)
XYZxyz(35.6576, 55.8431, 32.9396)
Luminance0.5585 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DC8A #DC66B8
analogous
#7DDC66 #66DC8A #66DCC5
triadic
#66DC8A #8A66DC #DC8A66
tetradic
#66DC8A #667DDC #DC66B8 #DCC566
square
#66DC8A #667DDC #DC66B8 #DCC566
split-complementary
#66DC8A #C566DC #DC667D
monochromatic
#25A24B #34D164 #66DC8A #98E7B0 #CAF3D6

Accessibility & contrast

On white

1.73
#66DC8A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.17
#66DC8A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DC8A
12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DC8A#FFFFFF#000000##000000
##66DC8A1.001.7312.1712.17
#FFFFFF1.731.0021.0021.00
#00000012.1721.001.001.00
##00000012.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#DDCC84
Deuteranopia (green-blind)
#CCC18F
Tritanopia (blue-blind)
#49D9C7
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #66dc8a;
/* rgb */ color: rgb(102, 220, 138);
/* oklch */ color: oklch(80.6% 0.158 151.3);
Tailwind
colors: {
  custom: {
    50: '#9ae8ad',
    500: '#66dc8a',
    950: '#000000',
  },
}
SCSS
$custom: #66dc8a;
$custom-light: #9ae8ad;
$custom-dark: #000000;
JSON
{
  "hex": "#66dc8a",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 138
  },
  "hsl": {
    "h": 138.305,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.80585,
    "c": 0.15816,
    "h": 151.3
  },
  "luminance": 0.55846
}

Semantic roles & 50–950 ramp

primary
#66DC8A
secondary
#A64187
accent
#1B95CB
background
#FCFEFD
surface
#F5FDF7
border
#CFD5D0
text
#0F1610
muted
#808481

Preview Lab

Preview with #66DC8A

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

Preview Lab → · Contrast checker → · Palette generator →

#66DC8A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva