Laid out all the LED boards from Modular LED for one heat sink and came up with this so far.
LED legend
CW - XP-E Cool White
CW HEW - XP-E Cool White High Efficiency
NW HEW - XP-E Neutral White High Efficiency
HN - XP-G Cool White ( used for high noon kit )
RB - XP-E Royal Blue
B - XP-E Blue
G - XP-E Green
R - XP-E Red