Indigo meshlight spectrum from Blender

Peak


			<spectrum>

			    <peak>

			        <peak_min>303</peak_min>

			        <peak_width>471</peak_width>

			        <base_value>0</base_value>

			        <peak_value>50</peak_value>

			    </peak>

			</spectrum>

Emit > 0
Amb > 0
Translucency > 0

peak_min = Translucency*1000
peak_width = Amb*1000
base_value := 0
peak_value = Emit*100

Black body


			<spectrum>

    			    <blackbody>

			        <temperature>5000</temperature>

			        <gain>0.0000002757</gain>

			    </blackbody>

			</spectrum>

Emit > 0
Amb > 0
Translucency = 0

temperature = Amb*10000
gain = 10^[10*(Emit-1)]

RGB


			<spectrum>

			    <rgb>

			        <rgb>38.811 38.811 38.811</rgb>

			    </rgb>

			</spectrum>

Emit > 0
Amb = 0
Translucency = 0

r = (100^R)-1
g = (100^G)-1
b = (100^B)-1