Вот снимок экрана проблемы:
![Issue](https://i.stack.imgur.com/vLFbg.png)
Вот пример .
Код
<mat-form-field style="float:right" >
<input fornControlName="color"
matInput
[style.background]="color"
autocomplete="off"
[(colorPicker)]="color"
[cpPosition]="'bottom'"
placeholder="Colour" />
</mat-form-field>
style = "float: right"