@code2australia
You can customize the colour scale for wind and gusts as you like. However you can do this only on the website, but your settings will be saved for all your devices, including the phone app.
Find the way to do it here:
https://community.windy.com/topic/6455/colors/2
On my side, I have modified the colour scale for wind. If you like it, you can use it. In this way, it is easier to implement:
https://community.windy.com/topic/8748/wind-speed-values-on-map/3