Here's a full file for the current skirt colors (with white added):

<colors>
    <color id="0" name="White" value="#ffffff"/>
    <color id="1" name="Red" value="#a50000,e03f27,eb5558"/>
    <color id="2" name="Green" value="#1f9c1f,89d689"/>
    <color id="3" name="Dark Blue" value="#4b4bbd,888af4"/>
    <color id="4" name="Yellow" value="#ccb534,f1ea8e,ffffaa"/>
    <color id="5" name="Light Blue" value="#62aaca,a3f4f8,d5fcfb"/>
    <color id="6" name="Pink" value="#c64abd,f9a5f2,fcd0fa"/>
    <color id="7" name="Black" value="#404040,c0c0c0"/>
    <color id="8" name="Orange" value="#96370f,cc5616,f68d26,fcaa2d,fdd493"/>
    <color id="9" name="Purple" value="#530a7c,b362e1,ca87ef"/>
</colors>