Younger children can colour the splat gray (we have a grey version here) then perhaps cut it out and display along with our other splat colouring pages...
Gray Colouring Page Splats
Younger children can colour in this yellow "splat" while learning how to spell and recognise the colour word.
It's tricky to colour in a white splat, really! But we've included it as one of our set of colour colouring pages.