#66F3A4#66F3A4

#66F3A4 is a very light, vivid green. Relative luminance 0.696; OKLCH L 86.7% C 0.166 H 155.8°. Best body text is #000000 at 14.92:1 contrast (WCAG AA passes).

Color values

HEX#66F3A4
RGBrgb(102, 243, 164)
HSLhsl(146, 85%, 68%)
HSVhsv(146, 58%, 95%)
CMYKcmyk(58%, 0%, 32.5%, 4.7%)
CIE-LABlab(86.80, -55.66, 26.94)
CIE-LCHlch(86.80, 61.83, 154.17°)
OKLaboklab(86.69% -0.1514 0.068)
OKLCHoklch(86.69% 0.166 155.8)
XYZxyz(44.2272, 69.6021, 46.2186)
Luminance0.6961 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F3A4 #F366B5
analogous
#6EF366 #66F3A4 #66F3EB
triadic
#66F3A4 #A466F3 #F3A466
tetradic
#66F3A4 #666EF3 #F366B5 #F3EB66
square
#66F3A4 #666EF3 #F366B5 #F3EB66
split-complementary
#66F3A4 #EB66F3 #F3666E
monochromatic
#10CE64 #2DEF82 #66F3A4 #9FF7C6 #D7FCE8

Accessibility & contrast

On white

1.41
#66F3A4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.92
#66F3A4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3A4
14.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F3A4#FFFFFF#000000##000000
##66F3A41.001.4114.9214.92
#FFFFFF1.411.0021.0021.00
#00000014.9221.001.001.00
##00000014.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#F2E29F
Deuteranopia (green-blind)
#DFD4A9
Tritanopia (blue-blind)
#32F1DE
Achromatopsia (no color)
#D9D9D9

Design tokens & code

CSS
--color: #66f3a4;
/* rgb */ color: rgb(102, 243, 164);
/* oklch */ color: oklch(86.7% 0.166 155.8);
Tailwind
colors: {
  custom: {
    50: '#9df8bf',
    500: '#66f3a4',
    950: '#000000',
  },
}
SCSS
$custom: #66f3a4;
$custom-light: #9df8bf;
$custom-dark: #000000;
JSON
{
  "hex": "#66f3a4",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 164
  },
  "hsl": {
    "h": 146.383,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.86691,
    "c": 0.16593,
    "h": 155.8
  },
  "luminance": 0.69606
}

Semantic roles & 50–950 ramp

primary
#66F3A4
secondary
#CA3388
accent
#0480E2
background
#FCFFFD
surface
#F6FFF8
border
#D0D7D1
text
#0F1712
muted
#808582

Preview Lab

Preview with #66F3A4

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

Preview Lab → · Contrast checker → · Palette generator →

#66F3A4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva