For emphasizing intensity:
* Subdued: This implies a lack of excitement or intensity.
* Mellow: This suggests a calm and relaxed atmosphere.
* Bland: This means lacking in flavor, excitement, or interest.
* Unremarkable: This implies something ordinary and not noteworthy.
* Uneventful: This describes something lacking in excitement or significant events.
For emphasizing emotion:
* Calm: This suggests a peaceful and tranquil state.
* Peaceful: This describes a state of tranquility and absence of conflict.
* Tranquil: This implies a state of quiet and serenity.
* Serene: This emphasizes a state of calmness and peace.
For emphasizing style:
* Simple: This suggests a lack of ornamentation or complexity.
* Plain: This describes something basic and lacking in embellishment.
* Understated: This implies a subtle and restrained approach.
* Low-key: This suggests a lack of fanfare or excitement.
Ultimately, the best antonym for "dramatic" depends on the specific meaning you want to convey.