Fear no colors phrase
The term "colors" has a military implication, but it can be used in a broader sense.
To be courageous in a difficult or dangerous circumstance.
When he was confronted with foreign invaders, he feared no colors.
When they decided to explore this tomb, they feared no colors.
You said you fear no colors. Look! You are keeping a firm hold of my hand.
One's overall look or characteristic.
To reveal one's true beliefs, personality, character, or disposition
The verb "fear" should be conjugated according to its tense.