Why are my colors in Photoshop different from the Adobe Color Themes plugin?

i can't figure 1 out!

 

please @ provided screenshot. when choosing color in adobe color themes plugin , setting active color not same in ps , plugin. ps says it's same hex undoubtedly 2 different colors.

i used app called colorsnapper check colors , tells me photoshop showing wrong color....

 

what's wrong?

i'm running new document prophotorgb 8bit , tried switching srgb no luck.

this why hexadecimal numbers unreliable. make no reference color space , useless in color managed context.

 

color values relative color space. same color yield wildly different numbers in srgb vs prophoto; , inversely, 1 given rgb triplet/one hex number yield wildly different colors in srgb vs prophoto.

 

the problem people treat hex numbers sort of "absolute" numbers, not @ all. sort of worked in old days before color management, because best had, today hex numbers cause confusion. refer nothing , mean nothing.

 

i'd recommend using rgb values in defined color spaces.

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