#66FD8F#66FD8F

#66FD8F is a very light, vivid green. Relative luminance 0.751; OKLCH L 88.7% C 0.198 H 149.5°. Best body text is #000000 at 16.01:1 contrast (WCAG AA passes).

Color values

HEX#66FD8F
RGBrgb(102, 253, 143)
HSLhsl(136, 97%, 70%)
HSVhsv(136, 60%, 99%)
CMYKcmyk(59.7%, 0%, 43.5%, 0.8%)
CIE-LABlab(89.42, -63.08, 40.86)
CIE-LCHlch(89.42, 75.16, 147.07°)
OKLaboklab(88.73% -0.1705 0.1005)
OKLCHoklch(88.73% 0.198 149.5)
XYZxyz(45.5594, 75.0541, 38.0672)
Luminance0.7506 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FD8F #FD66D4
analogous
#89FD66 #66FD8F #66FDDA
triadic
#66FD8F #8F66FD #FD8F66
tetradic
#66FD8F #6689FD #FD66D4 #FDDA66
square
#66FD8F #6689FD #FD66D4 #FDDA66
split-complementary
#66FD8F #DA66FD #FD6689
monochromatic
#03E641 #2AFC63 #66FD8F #A2FEBB #DFFFE7

Accessibility & contrast

On white

1.31
#66FD8F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.01
#66FD8F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FD8F
16.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FD8F#FFFFFF#000000##000000
##66FD8F1.001.3116.0116.01
#FFFFFF1.311.0021.0021.00
#00000016.0121.001.001.00
##00000016.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE987
Deuteranopia (green-blind)
#EBDB96
Tritanopia (blue-blind)
#3AF9E2
Achromatopsia (no color)
#E1E1E1

Design tokens & code

CSS
--color: #66fd8f;
/* rgb */ color: rgb(102, 253, 143);
/* oklch */ color: oklch(88.7% 0.198 149.5);
Tailwind
colors: {
  custom: {
    50: '#9fffb1',
    500: '#66fd8f',
    950: '#000000',
  },
}
SCSS
$custom: #66fd8f;
$custom-light: #9fffb1;
$custom-dark: #000000;
JSON
{
  "hex": "#66fd8f",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 143
  },
  "hsl": {
    "h": 136.291,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.8873,
    "c": 0.19788,
    "h": 149.5
  },
  "luminance": 0.75059
}

Semantic roles & 50–950 ramp

primary
#66FD8F
secondary
#D82FAA
accent
#00A7E6
background
#FDFFFD
surface
#F7FFF8
border
#D0D7D1
text
#101811
muted
#818681

Preview Lab

Preview with #66FD8F

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

Preview Lab → · Contrast checker → · Palette generator →

#66FD8F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva