Falb fee is a pharaoh pattern bird with the fee gene. Fee lightens all the colors besides black, one copy of fee leaves some beige tones, particularly around the head and neck, double fee will be nearly all black and gray tones.
Separate from color, you have pattern.
A pharaoh is a wild pattern. A wild pattern with the roux gene (red) is called Egyptian. You can have any color in wild pattern, silver, red, brown, fee (b&w), etc. wild pattern chicks have stripes, one big one down the center that will have a split longways in the middle of it. The space in between will be the lighter tones, light brown or orange in most cases, sometimes yellowy cream in silvers, but it’s often just the stripes with no different tones between for them.
Range is when the bird is a more solid color, no wild stripes. The chicks will have yellow or cream eyebrows. Tibetan is pure range, Rosetta is range and wild, so it has some wild embellishments. Scarlet is Tibetan and roux and should be free of wild pattern embellishments. Since range is incompletely dominant, wild will often show thru for several generations in some of the chicks.
Italian pattern is caused by the fawn gene. One copy of fawn makes Italians, birds with a speckled pattern and usually a yellow/gold hue behind the speckles. Two copies of fawn produces manchurian, which will be mostly the diluted base color (often yellow/gold, but with fee, this will be white or cream), a dark head, and a few speckles. Italian chicks have 3 distinct stripes.