Start with red
Add a small amount of blue
Add a tiny amount of black
Mix thoroughly
Adjust with more red if it becomes too dark
Adjust with more blue if it looks too bright
Add a little brown if needed to deepen the tone
Start with red
Add a small amount of blue
Add a tiny amount of black
Mix thoroughly
Adjust with more red if it becomes too dark
Adjust with more blue if it looks too bright
Add a little brown if needed to deepen the tone