How to set colors intensity HDr

Hi ı have a shader and material that inherited from this ı want to set to intensity.İt is a 2d game.Im using code under here but it is not working.

Code (CSharp):

1.   miner_health_bar.GetComponent<SpriteRenderer>().
2.       material.SetColor("_EmissionColor", color_to_set * 5f);
3.  
4. ı tried _EmmisiveColor too
5. ı tried renderer instead of spriterenderer too