The reason why it looks good on other bloggers is make up.
If you've got a lighter shade than your original hair color it may make your complexion more faded and undefined. Earth tone and nudes makeup palette is your best bet. Yo want to balance your features with some color but you don't want to overdo it. Keep it soft and neutral! If you want a more dramatic look, try a smokey eye or play with soft gray and violet.
Another important thing, keep your brows defined. Below are some samples!