>interpolate</a></span><span class="signature">(<wbr><span class="parameter" id="interpolate-param-from"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-ui/Color-class.html">Color</a>?</span> <span class="parameter-name">from</span>, </span><span class="parameter" id="interpolate-param-to"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-ui/Color-class.html">Color</a>?</span> <span class="parameter-name">to</span>, </span><span class="parameter" id="int