It's more than just major and minor. Often when introducing musical modes, the terms 'happy' and 'sad' are used. And it works to explain the overall theme for beginners. But as a piano teacher in Sutton and online, as my students become more familiar with being around music, I begin using the terms 'bright' and 'dark'.
In music, there are 9 modes. And these can be placed on a scale of brightness. Modes are a type of scale.
The 9 modes from brightest to darkest: