Wrong LED connection.

[Misaka0x2730]

Problem: LED cathodes are connected to MCU throughout 470Ohm resistor arrays. But many of bi-color LEDs have big difference between colors luminous intensity. For example, TJ-L3FYTXHMCYLC2R2G-A5:
Red - 100 mcd max.
Green - 1500 mcd max.
Difference is 15(!) times! Green LED current should be less many times.
But resistor array resistance can't be increased, because line and in\out capacitance with greater resistance will reduce max. interface frequency.
Solution: Every cathode should be connected to MCU throughout own resistor.