RGB value of EPS file and Adobe dash preview Image RGB mismatch

Greetings! I have a confusion. I am concerned about it. I found that the RGB value of my deisgn's background in EPS file mismatch with the adobe dashboard preview image's RGB value. as for exampe, one of my design's background's RGB - 156, 226, 177; where adobe dashboard preview images' RGB - 161, 211, 174. (this same design's dahboard preview in another marketpalce shoes similar RGB value like adobe stock). On contrary, i crosschek two diffrent designs (diffrent background) but found only +1 variantion in RGB vales.

So, shall i be releivd that my software seetings is OK, likewise, my process of EPS handling/uploading EPS is OK? and I don't need to be worry?? 

Thanks