Coloring Canvas

It is possible to apply partly coloring the Canvas, like if a user requires half canvas to be red and half canavs to be blue

Draw a fat line?

Tried but still not working,

Use drawshape block, set y coords to canvas height top and bottom, X coords to half canvas width

Can you share blocks if available

Show blocks that don't work.

Canvas 300w x 226h


Thank you, I will try and let you know