Start with blue paint
Add a very small amount of black paint
Mix thoroughly
Add a tiny amount of white paint if needed to soften the shade
Adjust with more blue to keep the color from becoming too dark
Test on a sample surface before final use
Start with blue paint
Add a very small amount of black paint
Mix thoroughly
Add a tiny amount of white paint if needed to soften the shade
Adjust with more blue to keep the color from becoming too dark
Test on a sample surface before final use