Blag, dark red and dark green will be needed to colour in the flag of Palestine. This colouring flag is one of many at Activity Village!
Palestine Flag Colouring Page
Here's a colouring flag of Oman to print for the kids. The central and left section is a bright red, while the crest stays white and the bottom section is green.
Here is a colouring page of the Bahrain flag, ready to be coloured in with its striking red and white design.