mellow in English:

a mellow flavor/tone

She was delighted the mellow tone of his voice.

He started for the door, and a mellow voice spoke again.

As she recalled, his voice was educated and had a pleasant, mellow tone.

She is so mellow, people take advantage of her

He mellowed under her love.

Jack is always so mellow. How is he doing that?

Let me drive. You are a little bit mellow.

... we're just kind of mellow.

The mellow sounds of the Rhodes piano are partly responsible for thousands of accidental conceptions.