[TOMT] [Cartoon]Help me find an old cartoon

Help me find an old cartoon from my childhood.

I just recently remembered a strange cartoon I believe I watched on the internet when I was a kid( so about 4-10 years ago) Here is what I remember: The main character was this girl, she had some sort of bowl cut that was black and I think the under side was white. The characters itself was black and white. There where these little creatures, each one had a unique color and I believe they each represented something and could bring colour to the main character. I think the show was set on some planet or generally in space.

Also not 100% sure but I think watching this show gave you some sort of rewards for some other game online. But that part could be my imagination