To change bottom line color, you can use this in your app theme:
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
<item name="colorControlNormal">#c5c5c5</item>
<item name="colorControlActivated">#ffe100</item>
<item name="colorControlHighlight">#ffe100</item>
</style>
To change floating label color write following theme:
<style name="TextAppearence.App.TextInputLayout" parent="@android:style/TextAppearance">
<item name="android:textColor">#4ffd04[![enter image description here][1]][1]</item>
</style>
and use this theme in your layout:
<android.support.design.widget.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="20dp"
app:hintTextAppearance="@style/TextAppearence.App.TextInputLayout">
<EditText
android:id="@+id/edtTxtFirstName_CompleteProfileOneActivity"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:capitalize="characters"
android:hint="User Name"
android:imeOptions="actionNext"
android:inputType="text"
android:singleLine="true"
android:textColor="@android:color/white" />
</android.support.design.widget.TextInputLayout>
