your contest should have had may more entries by now.
You may be doing yourself a disservice by not participating and giving at least some general feedback. Others will see the low participation and expect that it might be abandoned.
Apart from the brief we're all really guessing at what might capture your interest :)
Hello atlanticlinen, any appropriate color combination can be applied. Ultimately the logo should work in black and white or a single color, stitch-able, stamp-able, fax?-able, newspaper...
I will present some color options in the range suggested (on white :)
Its really the idea of using the lighthouse as a brand mark that I wanted to convey.