这条蓝色裤子好看。（Standard Answer , concisely）
Can we use this way: 这蓝色条裤子很好看？
Why is the 很 necessary?
很 is an adverb meaning 'very', but it can also be used to link an adjective to a noun.
Hey, didnt the tips say that hen wasnt necessary when you use hao kan? Maybe I've got that mixed up?
The tip was: when you use 比 you don't need 很 before the adjective.