#66F6A4#66F6A4

#66F6A4 is a very light, vivid green. Relative luminance 0.714; OKLCH L 87.4% C 0.170 H 155.4°. Best body text is #000000 at 15.28:1 contrast (WCAG AA passes).

Color values

HEX#66F6A4
RGBrgb(102, 246, 164)
HSLhsl(146, 89%, 68%)
HSVhsv(146, 59%, 96%)
CMYKcmyk(58.5%, 0%, 33.3%, 3.5%)
CIE-LABlab(87.68, -56.84, 28.13)
CIE-LCHlch(87.68, 63.42, 153.67°)
OKLaboklab(87.42% -0.1544 0.0709)
OKLCHoklch(87.42% 0.17 155.4)
XYZxyz(45.1323, 71.4123, 46.5203)
Luminance0.7142 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F6A4 #F666B8
analogous
#70F666 #66F6A4 #66F6EC
triadic
#66F6A4 #A466F6 #F6A466
tetradic
#66F6A4 #6670F6 #F666B8 #F6EC66
square
#66F6A4 #6670F6 #F666B8 #F6EC66
split-complementary
#66F6A4 #EC66F6 #F66670
monochromatic
#0DD563 #2CF382 #66F6A4 #A0F9C6 #DAFDE9

Accessibility & contrast

On white

1.37
#66F6A4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.28
#66F6A4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F6A4
15.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F6A4#FFFFFF#000000##000000
##66F6A41.001.3715.2815.28
#FFFFFF1.371.0021.0021.00
#00000015.2821.001.001.00
##00000015.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#F5E49F
Deuteranopia (green-blind)
#E2D6A9
Tritanopia (blue-blind)
#30F4E1
Achromatopsia (no color)
#DCDCDC

Design tokens & code

CSS
--color: #66f6a4;
/* rgb */ color: rgb(102, 246, 164);
/* oklch */ color: oklch(87.4% 0.170 155.4);
Tailwind
colors: {
  custom: {
    50: '#9dfabf',
    500: '#66f6a4',
    950: '#000000',
  },
}
SCSS
$custom: #66f6a4;
$custom-light: #9dfabf;
$custom-dark: #000000;
JSON
{
  "hex": "#66f6a4",
  "rgb": {
    "r": 102,
    "g": 246,
    "b": 164
  },
  "hsl": {
    "h": 145.833,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.87415,
    "c": 0.16992,
    "h": 155.4
  },
  "luminance": 0.71417
}

Semantic roles & 50–950 ramp

primary
#66F6A4
secondary
#CF318B
accent
#0083E6
background
#FCFFFD
surface
#F6FFF8
border
#D0D7D1
text
#0F1712
muted
#808582

Preview Lab

Preview with #66F6A4

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

Preview Lab → · Contrast checker → · Palette generator →

#66F6A4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva