de> &mdash; 32-bit color.
   </td>
</tr>
<tr>
<td class="paramSpacer">&nbsp;</td>
</tr>
<tr>
<td width="20px"></td><td><code><span class="label">a</span>:Number</code> &mdash; New alpha ( 0 - 1 ).
      </td>
</tr>
</table>
<p></p>
<span class="label">Returns</span>
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<tr>
<td width="20"></td><td><code>uint</code> &mdash; The hexadecimal value of the altered color.
   </td>
</tr>
</table>
</div>
<a name="calculateLitColour()"></a>
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