Hex editing Court Colors - Help

hello
im seeking for someone who can help me with hex editing court colors.
i read jaosming topic and tried all day to figure it out with no help...

can someone please help me just edit 3 colors it will not take him much time i would really appreciate that. (or at least explain to me) thx

im trying to copy my real life team court, just need to update the paint and line colors and i will go on from there.

thank you very much