The rash is often associated with mild itching. Like other forms of psoriasis, guttate psoriasis tends to improve during the summer and worsen during the winter. Examination of the skin reveals characteristic lesions consisting of multiple, discrete drop-like salmon-pink papules. A fine scale may be seen on established lesions.
Blue or Indigo. Violet (not purple) There are seven colors in the rainbow and can be remembered by the mnemonic device Roy G. Biv: Red, Orange, Yellow, Green, Blue, Indigo and Violet. An easier way of remembering the seven colours of the rainbow is by this expression: Richard Of York Gave Battle In Vain..
Therefore, the number of colours of a rainbow is variable. If, however, the word rainbow is used inaccurately to mean spectrum, it is the number of main colours in the spectrum. The question of whether everyone sees seven colours in a rainbow is related to the idea of Linguistic relativity.