lavender
They all have 3 letters, but "red" and "tan" have exactly 3 letters.
Six letter words that start with the letters wh:whackowhackswhackywhaleswhammywharfswheelswheezewheezywhencewhinedwhinerwhippywhirlswhiskywhiterwholly
insect is six letters
Red? -.-
Orange, purple, yellow.
bronze
Purple. Orange. Yellow. Other colours with six letters include cerise, violet, and indigo.
Some people think letters have particular colors because they have a condition called Synesthesia. A synesthete's brain tends to associate certain letters with colors.
Both Canada and Mexico have six letters.
An Italian pasta with six letters is rotini.
Emerald
lavender
15
Assuming you mean exactly six letters - there are three English-language day names with six letters - Monday, Friday, Sunday.
Six letter words that end with the letters ute:astutediluteimputeminuterefutereputesalute
Those six letters are "amount."