I tried to find correct Information for my Problem, but I did not find any.
It would be good and appreciated if post will be made to the right Forum.
But when browsing though the different Topics / Headlines of the Forum I was able to find a better one than the General Topic.
Moodle has many forums and has one dedicated to Themes (very special indeed). In this forum you can find many threads related to Adaptable. At least one for each version published.
If you are unable to find this forum, you can always perform a simple Google search (which is the first recommended always) of "moodle adaptable forum", or even easier "adaptable support", and you will find the posts very quickly.
Even still you are unable to find it, then you can find the information in the Plugins page where you will see that we provide support in the moodle forum and in the adaptable website as well.
In order not to spend hours in finding a Topic that might be suitable (and that might be ok for People like you) I choose the General Topic.
It took less 1 minute to find the right place using Google as indicated above. Very simple even for a kid. So next time just search before ask (BTW, this is a general rule in any forum of any kind)
And in case it might be the wrong Topic and therefor People are not finding my question and therefor are not able to answer, than it is solely my Problem (and not yours), as I will not receive wanted answers.
I see you posted the original question in a wrong forum and mary Cooch mooved to this. If moved at least think why nobody answer you and why was moved and then try an effort to get support.
As you can see the Themes forum generates hundred posts daily and if you do not indicate ADAPTABLE in the title then is not possible to detect the post in this forum. We can't read all the posts daily. So you have two options: add ADAPTABLE to the title or post in the right version thread already created.
Also, before post a question we only expect that you at least read the theme settings pages (as Mary already pointed) and tried to configure the theme (do you know moodle Site Administration have a search?).
I know there are many pages to read and it takes many time but we put many effort to improve the more 400 settings description and help (which is not easy) and try to facilitate the configuration.
It is what we expect from admins that manage a moodle site. Read the settings sections to know what they can do with Adaptable.
So read the help included with Adaptable and then try to change the colours. And if still don't know how to change the colours then ask in the right forum (please, following the rules) and will be glad to help you. (Anyway I already answered your questions)