Triads in every key
So far, you've built all of your chords in either C major or C minor. But scales and chords can start on any note and will always behave the same way.
Try switching to different keys to hear how the diatonic triads sound. Regardless of key, they're always built using the notes in the scale plus additional notes a third and a fifth above each note in the scale.
Now try them in minor: