Blend colours with corn flour or rice flour to break down the concentration of colour.
Mix correct colour match on a double white tissue and then do a swatch test on a piece of paste before applying to the finished product.
Black powder must be mixed to a liquid with a small amount of liquid to achieve true black and then added to the paste.
To colour paste dip paste in liquid, put a little petal based on your finger and then dip paste in powder colour. Work the powder colour into a small area to form a paste and then work it through the whole piece .
If paste becomes hard when colour is added to it, soften the paste by mixing a little egg white through it.