Brush the corn with olive oil and season with salt and pepper. Grill over medium-high heat until charred. Let cool and cut the corn off the cob.

In a small bowl, whisk vinegar, salt, and pepper. Gradually whisk in olive oil until emulsified.

Add the herbs, peppers, and green onion to a large bowl. Add corn. Add dressing and toss to combine. Check for seasoning and add more salt and pepper as needed. Chill until ready to serve.