LED doesn't turn Off

[Blisk]

I have this circuit and when I start NE555 led goes RED and that it doesn't change to GREEN, relay turns on and off but LED doesn't change, I think it is problem because difference on transistor B/E is about 0.84V.
Any Idea how to solve this problem??

 

[emdee]

The problem is that both leds will go on /off simultainously because they are connected to the same output.
There is an easier way if you want to create a flip /flop--> led alternating color red / green. , see schematic... a assumed that it is a 2 color led in one....not two individual leds, right?
Also I would put a diode over the relais to protect your NE555 from inductive spikes


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If you use two leds, there are better options

 

[Blisk]

Thank you, a third circuit is what i had before but now I have 2 color 3 pin common cathode led.
Problem is I already have PCB board with my circuit above, how to solve that?
Both LEDs are on the same source but one goes ON when output of NE555 is high and other when it is low over PNP transistor. Yes that is LED with 2 color and 3 pin common chatode.

 

[emdee]

Try the first schematic I posted ( the one I did on a piece of paper with pen)

 

[Blisk]

I will, thanks.
For now I solve this by putting transistor in pcb wrong way, I changed E and C and put in larger resistor on base like 68Kohm
Red still lit when green is on but verry little.

 

[swapan]

The circuit is not clear to me. It is seen you have used the 555 in astable multivibrator mode. What function have you done by reset pin? How you utilise "ON/OFF" associated with reset pin? Also confirm whether JP2 is contacts of relay or something else. Have you driven the relay directly by 555?