parse
Parses a textual representation of a color.
The string can be either one of:
A standard name (Taken from the CSS specification).
A hexadecimal value in the form “\#rgb”, “\#rrggbb”, “\#rrrgggbbb” or ”\#rrrrggggbbbb”
A hexadecimal value in the form “\#rgba”, “\#rrggbbaa”, or ”\#rrrrggggbbbbaaaa”
A RGB color in the form “rgb(r,g,b)” (In this case the color will have full opacity)
A RGBA color in the form “rgba(r,g,b,a)”
A HSL color in the form "hsl(hue, saturation, lightness)"
A HSLA color in the form "hsla(hue, saturation, lightness, alpha)"
Where “r”, “g”, “b” and “a” are respectively the red, green, blue and alpha color values. In the last two cases, “r”, “g”, and “b” are either integers in the range 0 to 255 or percentage values in the range 0% to 100%, and a is a floating point value in the range 0 to 1.
Return
true if the parsing succeeded
Parameters
the string specifying the color