枪灰色

• 木(wood; tree)RADICAL
• 仓(granary; grain storage)PHONETIC

Old guns were made of wood, and the sound is similar to "thương" (warehouse).

• 又(hand)ASSOCIATIVE
• 火(fire)RADICAL

Ash is what remains when the hand extinguishes the flame.

• ⺈(knife; variant form)ASSOCIATIVE
• 巴(long for; cling to; stick tight)PHONO-SEMANTIC

Beauty as sharp as a keen blade makes people stick fast and unable to look away.