n class="parameter-name">name</span>, </span><span class="parameter" id="-param-initialValue"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-ui/Color-class.html">Color</a>?</span> <span class="parameter-name">initialValue</span> = <span class="default-value">const Color(0x00000000)</span>, </span><span class="parameter" id="-param-stateEvaluator"><span class="type-annotation"><a href="../state_machine_animation/StateEvaluator.html">StateEvaluator</a><span class="signature">&lt;<