"seems milder" is a correct and usable sentence in written English.
You can use it when you want to express that something appears to be less extreme or intense. For example: "The temperature outside today seems milder than it was yesterday."
And interviewed in prison, he seems mild mannered and articulate.
However severe, our current predicament seems mild compared to the calamitous unemployment of the early 1930s.
That seems mild compared with some titanic chapters in British labour relations (see article).
When Liese, a British expat in Melbourne, starts a playful affair with Alexander, a gentleman farmer in the Australian bush, he seems mild-mannered and kind.
Indeed, for a country that has endured as much in the course of history as Poland, the current crisis seems mild.
January 15 2015 February 28 201515 At first, Jameel (Zarif Kabier), a thirtyish-year-old Syrian-American, seems mild-mannered, harried by his mother's calls from Damascus nagging him to find a wife.
John McCain's ill-fated assertion in September that "the fundamentals of our economy are strong" seems mild by comparison.Ultimately, of course, Lincoln saved the Union, issued the Emancipation Proclamation and stood firmly by it, despite criticism.
If the chiding seems mild, consider that IFIL's chairman is Umberto Agnelli, younger brother of Gianni and a senior member of the family that founded Fiat in 1899.
But all that seems mild compared with the criticism leveled by hockey writers and television commentators at Rolston, a first-time N.H.L. coach who replaced the longtime coach Lindy Ruff in February.
In fact, my list seems mild compared to most.
In light of the scale of warfare experienced in Europe less than a generation later in the French Revolutionary Wars and Napoleonic Wars, though, this six-month engagement seems mild.
