#66F499#66F499

#66F499 is a very light, vivid green. Relative luminance 0.698; OKLCH L 86.7% C 0.177 H 152.6°. Best body text is #000000 at 14.97:1 contrast (WCAG AA passes).

Color values

HEX#66F499
RGBrgb(102, 244, 153)
HSLhsl(142, 87%, 68%)
HSVhsv(142, 58%, 96%)
CMYKcmyk(58.2%, 0%, 37.3%, 4.3%)
CIE-LABlab(86.91, -58.03, 32.64)
CIE-LCHlch(86.91, 66.58, 150.64°)
OKLaboklab(86.72% -0.1572 0.0815)
OKLCHoklch(86.72% 0.177 152.6)
XYZxyz(43.5765, 69.8219, 41.3114)
Luminance0.6983 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F499 #F466C1
analogous
#7AF466 #66F499 #66F4E0
triadic
#66F499 #9966F4 #F49966
tetradic
#66F499 #667AF4 #F466C1 #F4E066
square
#66F499 #667AF4 #F466C1 #F4E066
split-complementary
#66F499 #E066F4 #F4667A
monochromatic
#0FD155 #2DF073 #66F499 #9FF8BF #D8FCE5

Accessibility & contrast

On white

1.40
#66F499 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.97
#66F499 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F499
14.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F499#FFFFFF#000000##000000
##66F4991.001.4014.9714.97
#FFFFFF1.401.0021.0021.00
#00000014.9721.001.001.00
##00000014.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#F4E293
Deuteranopia (green-blind)
#E1D49F
Tritanopia (blue-blind)
#39F1DD
Achromatopsia (no color)
#DADADA

Design tokens & code

CSS
--color: #66f499;
/* rgb */ color: rgb(102, 244, 153);
/* oklch */ color: oklch(86.7% 0.177 152.6);
Tailwind
colors: {
  custom: {
    50: '#9df9b7',
    500: '#66f499',
    950: '#000000',
  },
}
SCSS
$custom: #66f499;
$custom-light: #9df9b7;
$custom-dark: #000000;
JSON
{
  "hex": "#66f499",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 153
  },
  "hsl": {
    "h": 141.549,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.86719,
    "c": 0.17708,
    "h": 152.6
  },
  "luminance": 0.69826
}

Semantic roles & 50–950 ramp

primary
#66F499
secondary
#CC3295
accent
#0292E3
background
#FCFFFD
surface
#F6FFF8
border
#D0D7D1
text
#0F1711
muted
#808581

Preview Lab

Preview with #66F499

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

Preview Lab → · Contrast checker → · Palette generator →

#66F499 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva