Describes flavors, colors, or designs that are mild, not rich or heavy. Often used for food, seasoning, or visual impressions. Antonym: 濃厚 (rich, heavy).
Describes a personality that is open, not overly attached to desires, or sometimes detached. Can be positive (unselfish, easygoing) or slightly negative (indifferent, not particular). Context determines the nuance.
冷淡 describes coldness or a lack of sympathy toward others and carries a negative tone, while 淡白 can be neutral or even positive, simply meaning unattached or not particular.
rarely-used kanji form
Rarely used kanji form; 薄 is more commonly read as うす or はく.