Of course, you can use Boxoft PDF to Flipbook to change the icon color of flipbook.
Here are steps for change icon color of flipbook in detail.
Step 1: Launch Boxoft PDF to Flipbook and import PDF for conversion;
Step2: Select template from template list (Float as example)
Step3: Find “button Icons” bar on Design Setting panel, Design Setting -> Tool Bar Settings -> Button Icons;
Step4: Click “…” button on Icon Color bar to select object color from color box;
Step5: Apply settings change, and then you will find the icon color has been changed.