求大神帮忙

<select id="selectColor" >
<option value="#5bb9d6">淡蓝色</option>
<option value="chocolate">巧克力色</option>
<option value="aqua">青色</option>
<option value="black">黑色</option>
<option value="fuchsia">紫色</option>
<option value="purple">深紫色</option>
<option value="gray">灰色</option>
<option value="silver">淡灰色</option>
<option value="green">绿色</option>
<option value="red">红色</option>
<option value="maroon">大红色</option>
<option value="blue">蓝色</option>
<option value="navy">深蓝色</option>
<option value="olive">土黄色</option>
<option value="teal">青蓝色</option>
<option value="white">白色</option>
<option value="yellow">黄色</option>
</select>
我想把里面的颜色设置成我想要的图片链接，请问怎么改？