#66F08B#66F08B

#66F08B is a very light, vivid green. Relative luminance 0.670; OKLCH L 85.5% C 0.184 H 149.6°. Best body text is #000000 at 14.40:1 contrast (WCAG AA passes).

Color values

HEX#66F08B
RGBrgb(102, 240, 139)
HSLhsl(136, 82%, 67%)
HSVhsv(136, 58%, 94%)
CMYKcmyk(57.5%, 0%, 42.1%, 5.9%)
CIE-LABlab(85.51, -58.83, 37.78)
CIE-LCHlch(85.51, 69.91, 147.29°)
OKLaboklab(85.5% -0.1591 0.0932)
OKLCHoklch(85.5% 0.184 149.6)
XYZxyz(41.2968, 67.0052, 35.1781)
Luminance0.6701 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F08B #F066CB
analogous
#86F066 #66F08B #66F0D0
triadic
#66F08B #8B66F0 #F08B66
tetradic
#66F08B #6686F0 #F066CB #F0D066
square
#66F08B #6686F0 #F066CB #F0D066
split-complementary
#66F08B #D066F0 #F06686
monochromatic
#14C844 #2EEB61 #66F08B #9EF5B5 #D5FBE0

Accessibility & contrast

On white

1.46
#66F08B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.40
#66F08B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F08B
14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F08B#FFFFFF#000000##000000
##66F08B1.001.4614.4014.40
#FFFFFF1.461.0021.0021.00
#00000014.4021.001.001.00
##00000014.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#F2DD84
Deuteranopia (green-blind)
#DFD192
Tritanopia (blue-blind)
#42ECD7
Achromatopsia (no color)
#D6D6D6

Design tokens & code

CSS
--color: #66f08b;
/* rgb */ color: rgb(102, 240, 139);
/* oklch */ color: oklch(85.5% 0.184 149.6);
Tailwind
colors: {
  custom: {
    50: '#9df6ae',
    500: '#66f08b',
    950: '#000000',
  },
}
SCSS
$custom: #66f08b;
$custom-light: #9df6ae;
$custom-dark: #000000;
JSON
{
  "hex": "#66f08b",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 139
  },
  "hsl": {
    "h": 136.087,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.85496,
    "c": 0.18443,
    "h": 149.6
  },
  "luminance": 0.67009
}

Semantic roles & 50–950 ramp

primary
#66F08B
secondary
#C5359E
accent
#07A5DF
background
#FCFFFD
surface
#F6FFF7
border
#D0D7D0
text
#0F1710
muted
#808581

Preview Lab

Preview with #66F08B

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

Preview Lab → · Contrast checker → · Palette generator →

#66F08B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva