need help asap!  The colors , , , , and have no separate feminine forms.  Be sure to pronounce the final consonants in the feminine forms of , , , , etc.  Since these are adjectives, remember that they have to agree in and in with the nouns they describe.  Also keep in mind that adjectives may be made plural if the noun they describe is plural.  Another thing to keep in mind is that in French adjectives come the noun.

See explanations below

Explanation:

 The colors ___jaune, ___orange___, __indigo, __marron, and ___améthyste have no separate feminine forms.  

Note:  

compound colours are invariable, e.g. bleu foncé

colours of an object (e.g. orange) are invariable, except

 rose, pourpre, mauve, écarlate, which are real  colours (adjectives) and are      therefore variable.

 Be sure to pronounce the final consonants in the feminine forms of __blanc, blanche__, __vert, verte__ __brun, brune__, __violet, violette__, etc.  

 Since these are adjectives, remember that they have to agree in gender and in number with the nouns they describe.  

 Also keep in mind that adjectives may be made plural if the noun they describe is plural.  

 Another thing to keep in mind is that in French adjectives come __after__the noun.