chromium/components/payments/content/android/minimal_java_res/values-night/colors.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2020 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->

<resources xmlns:tools="http://schemas.android.com/tools">
    <!-- Payments UI colors -->
    <color name="google_pay_icon_color">@color/baseline_neutral_80</color>
</resources>