Verb (5-dan, む, intransitive)
1. to melt into; to dissolve into; to merge into
その答えを聞いた瞬間、周囲の風景が光の中へと溶け込んだ。The moment I heard that answer, the surrounding scenery melted into the light.
2. to blend into (surroundings); to fit in; to adapt to; to integrate
うまく溶け込んでるな。You're blending in well.