Server/Resources/Colors.xml
<EventName>argb(255,255,255,255)</EventName>
<EventNameBorder>argb(255,0,0,0)</EventNameBorder>
<EventNameBackground>argb(180,0,0,0)</EventNameBackground>
<AgressiveNpcName>argb(255,255,40,0)</AgressiveNpcName>
<AgressiveNpcNameBorder>argb(255,0,0,0)</AgressiveNpcNameBorder>
<AgressiveNpcNameBackground>argb(180,0,0,0)</AgressiveNpcNameBackground>
<AttackWhenAttackedName>argb(255,255,255,255)</AttackWhenAttackedName>
<AttackWhenAttackedNameBorder>argb(255,0,0,0)</AttackWhenAttackedNameBorder>
<AttackWhenAttackedNameBackground>argb(180,0,0,0)</AttackWhenAttackedNameBackground>
<AttackOnSightName>argb(255,255,200,0)</AttackOnSightName>
<AttackOnSightNameBorder>argb(255,0,0,0)</AttackOnSightNameBorder>
<AttackOnSightNameBackground>argb(180,0,0,0)</AttackOnSightNameBackground>
<NeutralName>argb(255,100,230,100)</NeutralName>
<NeutralNameBorder>argb(255,0,0,0)</NeutralNameBorder>
<NeutralNameBackground>argb(180,0,0,0)</NeutralNameBackground>
<GuardName>argb(255,240,142,105)</GuardName>
<GuardNameBorder>argb(255,0,0,0)</GuardNameBorder>
<GuardNameBackground>argb(180,0,0,0)</GuardNameBackground>
<PlayerNameNormal>argb(255,255,255,255)</PlayerNameNormal>
<PlayerNameNormalBorder>argb(255,0,0,0)</PlayerNameNormalBorder>
<PlayerNameNormalBackground>argb(180,0,0,0)</PlayerNameNormalBackground>
<PlayerNameMod>argb(255,0,255,255)</PlayerNameMod>
<PlayerNameModBorder>argb(255,0,0,0)</PlayerNameModBorder>
<PlayerNameModBackground>argb(180,0,0,0)</PlayerNameModBackground>
<PlayerNameAdmin>argb(255,255,255,0)</PlayerNameAdmin>
<PlayerNameAdminBorder>argb(255,0,0,0)</PlayerNameAdminBorder>
<PlayerNameAdminBackground>argb(180,0,0,0)</PlayerNameAdminBackground>
Needless to say, set the alpha to 0 on the background/borders and only the names will be visible if that's really what you want. We added the black background for readability. Lots of customization here, more customization will be available once the source code has been released.