Which explains the difference between tone and mood?

Tone and mood are often confused, so now would be a good time to make sure you understand the difference between the two. If tone is the author's attitude toward a subject, then mood is how we are made to feel as readers, or the emotion evoked by the author.

Tone is usually stated as what the author's attitude toward the story but the mood is expressed as what is the author's emotions in the story.