Tutcoise is color of parrots.
Turcoise Turcoise
Turquoise (sometimes spelled turquois) is the greenish blue color of a stone which was first found in Turkestan or other Turkish area. The word originally meant Turkish.
Rainbow colors are: Red, orange, yellow, green, blue, indigo, violet (ROYGBIV). As a 'rainbow' is refracted light it is something that is hard to study, although it can be reproduced to a point. I would say that all colors, basically, are there. It simply depends on where you are when you can see it. Keep in mind that black, being the absence of light/color is not included in that group. black