mmm error...
light and light_spot are precomputed, you could try a light_dynamic if you want to change the colour.
Keep in mind, many dynamic lights will lag the hell out of people without great video cards... and it sounds like you're trying to do a lot of stuff with lights...
I now, but its a very small room, without a lot happening other than the lights 
Yeah that probably doesn't matter. light_dynamic is a fucking retarded system hog.
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rule of thumb - don't use dynamic lights
but it is just that, a rule of thumb, just like the no carving rule.
im not using light_dynamic
Im using light_spot and point_spotlight
27 of each, 9 each of 3 different colors
only 9 of each can be active at any one time
they do not move, only turn on/off
for what im doing, it works really well so far...
I'll release it as a [wip] when I have it further along
LOL
WARNING: Too many light styles on a face at (-72.000000, -24.000000, -183.000000)
WARNING: Too many light styles on a face at (-39.000000, -88.000000, -183.000000)
WARNING: Too many light styles on a face at (-8.000000, 56.999992, -183.000000)
WARNING: Too many light styles on a face at (57.000000, 8.000000, -183.000000)
...1...2
WARNING: Too many light styles on a face at (7.999985, -139.000000, -182.000000)
WARNING: Too many light styles on a face at (-7.999985, -52.000000, -182.000000)
..
WARNING: Too many light styles on a face at (56.000000, -49.000000, -179.000000)
WARNING: Too many light styles on a face at (56.000015, 142.000000, -179.000000)
WARNING: Too many light styles on a face at (-142.000000, 56.000000, -179.000000)
.
WARNING: Too many light styles on a face at (-56.000015, -142.000000, -179.000000)
WARNING: Too many light styles on a face at (142.000000, -56.000015, -179.000000)
3.
WARNING: Too many light styles on a face at (56.000000, 51.000000, -182.000000)
.
WARNING: Too many light styles on a face at (-7.999985, 139.000000, -182.000000)
WARNING: Too many light styles on a face at (-139.000000, -7.999985, -182.000000)
.
WARNING: Too many light styles on a face at (139.000000, 7.999985, -182.000000)
I find that very funny.
the lighting is working fine tho since not all the lights are on at once... 
I'll be posting a wip soon, probably tomorrow... so you can see exactly what im doing