themes.scss

@import '~@nebular/theme/styles/theming';
@import '~@nebular/theme/styles/themes/default';
@import '~@nebular/theme/styles/themes/dark';

/*$nb-themes: nb-register-theme((

  color-primary-100: #faf7ff, // <- new primary color
  color-primary-200: #ece3ff,
  color-primary-300: #d5bfff,
  color-primary-400: #b18aff,
  color-primary-500: #a16eff,
  color-primary-600: #7b51db,
  color-primary-700: #5a37b8,
  color-primary-800: #3e2494,
  color-primary-900: #29157a,

  text-basic-color: color-basic-800,
  text-disabled-color: color-basic-600,
), default, default);*/

:host {

    background: nb-theme(background-basic-color-1);
  }