HELPP ME AAAAAAAAAAAAA

so yk the upper part of spacehey? the part tht has the search bard and where the "spacehey, a space for friends," is? I DESPERATELY JUST WANT THE BLUE PART OF WHERE THOSE 2 THINGS R TO BE BLACK, OR ANY COLOR OF MY CHOICE YOU KNOW?????? Can ANYONE, help me? plllllsssssss. i would rlly appreciate it and I'll give you a dad joke as a reward. 

(༎ຶ‿༎ຶ)