Color excel cells <URGENT>

Hi,
I want to fill color inside the excel cells based on the week#,
image

Like, if it’s third week of aug-18 then I should color third cell under aug month, same given below:
image

Please suggest how can I achieve this?

Thanks,
Anjali

Hi @anjalimishra,
I have created one workflow according to your requirement.

Color_Excel.xaml (14.3 KB)
DEMO.xlsx (7.9 KB)