Ionic:

   ionic (Ionic CLI)             : 4.3.1 (/Users/andre/.nvm/versions/node/v8.11.3/lib/node_modules/ionic)
   Ionic Framework               : @ionic/angular 4.0.0-beta.17
   @angular-devkit/build-angular : 0.11.1
   @angular-devkit/schematics    : 7.1.1
   @angular/cli                  : 6.1.5
   @ionic/angular-toolkit        : 1.2.0

Capacitor:

   capacitor (Capacitor CLI) : 1.0.0-beta.8
   @capacitor/core           : 1.0.0-beta.8

Cordova:

   cordova (Cordova CLI) : 8.0.0
   Cordova Platforms     : none
   Cordova Plugins       : no whitelisted plugins (0 plugins total)

System:

   Android SDK Tools : 26.1.1 (/Users/andre/Library/Android/sdk)
   NodeJS            : v8.11.3 (/Users/andre/.nvm/versions/node/v8.11.3/bin/node)
   npm               : 6.3.0
   OS                : macOS
   Xcode             : Xcode 10.1 Build version 10B61

<ion-list>
    <ion-item (click)="openItem(asset)" *ngFor="let item of items" [class.activated]="item && item.id == selectedItem.id">
        <ion-label>
            <h2>{{item.name}}</h2>
            <p>{{item.type}}</p>
        </ion-label>
    </ion-item>
</ion-list>

openItem(item) {
    this.selectedItem = item;
}

light: '#333333',
    --ion-color-light: '#333333';
    --ion-color-light-shade: ${Color('#333333').darken(shadeRatio)};
    
    --ion-item-background: var(--ion-color-light);
    --ion-item-background-activated: var(--ion-color-light-shade);