#66F489#66F489

#66F489 is a very light, vivid green. Relative luminance 0.693; OKLCH L 86.4% C 0.192 H 148.9°. Best body text is #000000 at 14.87:1 contrast (WCAG AA passes).

Color values

HEX#66F489
RGBrgb(102, 244, 137)
HSLhsl(135, 87%, 68%)
HSVhsv(135, 58%, 96%)
CMYKcmyk(58.2%, 0%, 43.9%, 4.3%)
CIE-LABlab(86.67, -60.66, 40.25)
CIE-LCHlch(86.67, 72.80, 146.43°)
OKLaboklab(86.44% -0.164 0.0989)
OKLCHoklch(86.44% 0.192 148.9)
XYZxyz(42.3426, 69.3283, 34.8124)
Luminance0.6933 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F489 #F466D1
analogous
#8AF466 #66F489 #66F4D0
triadic
#66F489 #8966F4 #F48966
tetradic
#66F489 #668AF4 #F466D1 #F4D066
square
#66F489 #668AF4 #F466D1 #F4D066
split-complementary
#66F489 #D066F4 #F4668A
monochromatic
#0FD13F #2DF05D #66F489 #9FF8B5 #D8FCE1

Accessibility & contrast

On white

1.41
#66F489 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.87
#66F489 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F489
14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F489#FFFFFF#000000##000000
##66F4891.001.4114.8714.87
#FFFFFF1.411.0021.0021.00
#00000014.8721.001.001.00
##00000014.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#F6E181
Deuteranopia (green-blind)
#E3D490
Tritanopia (blue-blind)
#41F0DA
Achromatopsia (no color)
#D9D9D9

Design tokens & code

CSS
--color: #66f489;
/* rgb */ color: rgb(102, 244, 137);
/* oklch */ color: oklch(86.4% 0.192 148.9);
Tailwind
colors: {
  custom: {
    50: '#9df9ad',
    500: '#66f489',
    950: '#000000',
  },
}
SCSS
$custom: #66f489;
$custom-light: #9df9ad;
$custom-dark: #000000;
JSON
{
  "hex": "#66f489",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 137
  },
  "hsl": {
    "h": 134.789,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.86439,
    "c": 0.19151,
    "h": 148.9
  },
  "luminance": 0.69332
}

Semantic roles & 50–950 ramp

primary
#66F489
secondary
#CC32A6
accent
#02ACE3
background
#FCFFFD
surface
#F6FFF7
border
#D0D7D0
text
#0F1710
muted
#808581

Preview Lab

Preview with #66F489

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

Preview Lab → · Contrast checker → · Palette generator →

#66F489 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva