If you mean the bright points of something:
* Lowlights (the less interesting or important parts)
* Shadows (the dark or negative aspects)
* Drawbacks (disadvantages or disadvantages)
* Negatives (bad or undesirable aspects)
If you mean the process of making something brighter:
* Dimming (making something less bright)
* Darkening (making something darker)
* Low-lighting (emphasizing the dark areas)
* Shadowing (creating shadows or darker areas)
If you mean the parts of hair that are lighter than the rest:
* Lowlights (the parts of hair that are darker than the rest)
* Base color (the natural hair color)
Please provide more context so I can give you a more accurate answer!