noticeably

https://tts.langeek.co/read?text=bm90aWNlYWJseQ&hash=825206f6fcd964246957b6497ba5175822bba1d4&lang=en&cache-only=0

These adverbs show the level to which something is easy to see or notice and include adverbs like "starkly", "distinctly", "faintly", etc.