#66FB8B#66FB8B

#66FB8B is a very light, vivid green. Relative luminance 0.737; OKLCH L 88.2% C 0.199 H 148.8°. Best body text is #000000 at 15.74:1 contrast (WCAG AA passes).

Color values

HEX#66FB8B
RGBrgb(102, 251, 139)
HSLhsl(135, 95%, 69%)
HSVhsv(135, 59%, 98%)
CMYKcmyk(59.4%, 0%, 44.6%, 1.6%)
CIE-LABlab(88.77, -62.96, 41.97)
CIE-LCHlch(88.77, 75.67, 146.31°)
OKLaboklab(88.18% -0.1701 0.1029)
OKLCHoklch(88.18% 0.199 148.8)
XYZxyz(44.6337, 73.6789, 36.2904)
Luminance0.7368 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66FB8B #FB66D6
analogous
#8CFB66 #66FB8B #66FBD5
triadic
#66FB8B #8B66FB #FB8B66
tetradic
#66FB8B #668CFB #FB66D6 #FBD566
square
#66FB8B #668CFB #FB66D6 #FBD566
split-complementary
#66FB8B #D566FB #FB668C
monochromatic
#06E13C #2AF95E #66FB8B #A2FDB8 #DDFEE5

Accessibility & contrast

On white

1.33
#66FB8B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.74
#66FB8B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FB8B
15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66FB8B#FFFFFF#000000##000000
##66FB8B1.001.3315.7415.74
#FFFFFF1.331.0021.0021.00
#00000015.7421.001.001.00
##00000015.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#FDE782
Deuteranopia (green-blind)
#EADA93
Tritanopia (blue-blind)
#3DF6E0
Achromatopsia (no color)
#DFDFDF

Design tokens & code

CSS
--color: #66fb8b;
/* rgb */ color: rgb(102, 251, 139);
/* oklch */ color: oklch(88.2% 0.199 148.8);
Tailwind
colors: {
  custom: {
    50: '#9efeae',
    500: '#66fb8b',
    950: '#000000',
  },
}
SCSS
$custom: #66fb8b;
$custom-light: #9efeae;
$custom-dark: #000000;
JSON
{
  "hex": "#66fb8b",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 139
  },
  "hsl": {
    "h": 134.899,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.88179,
    "c": 0.19885,
    "h": 148.8
  },
  "luminance": 0.73683
}

Semantic roles & 50–950 ramp

primary
#66FB8B
secondary
#D530AC
accent
#00ADE6
background
#FDFFFD
surface
#F7FFF7
border
#D0D7D0
text
#101810
muted
#818681

Preview Lab

Preview with #66FB8B

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

Preview Lab → · Contrast checker → · Palette generator →

#66FB8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva