ion-content background color
ion-content{
--ion-background-color:#111D12;
}ion-content background color
ion-content{
--ion-background-color:#111D12;
}ionic header background color
It seems like the ion-header acts more as a container for an inner ionic component (like an ion-toolbar). I looked over the Ionic v4 ion-toolbar documentation. This component has many custom css custom properties, including --background, that can be customized. This may be what you're looking for.
Assuming you used the CLI to create a 'login' page component, you can add a new css class definition to the login.scss file:
.new-background-color{
--background: #54d61c;
}
And then refer to it in your login.page.html file:
<ion-header>
<ion-toolbar class="new-background-color">
<ion-title>Login</ion-title>
</ion-toolbar>
</ion-header>Copyright © 2021 Codeinu
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