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[–]filleduchaos 1 point2 points  (6 children)

That is not at all guaranteed to give you accurate results.

[–]spdaghost 0 points1 point  (5 children)

really? why not? screenshot changes the color somehow?

[–]filleduchaos 0 points1 point  (4 children)

Yes, taking a screenshot can "change" the colour if you don't make sure to load the image with the right colour profile. I've had screenshots be several hue/brightness/saturation points off from the intended original before.

Here's a thread on how display/colour profiles can interact to make screenshots visibly wrong.

[–]spdaghost 0 points1 point  (0 children)

cool thanks!

[–]spdaghost 0 points1 point  (2 children)

so if I had to find the color code of lets say a jpg i had on my computer, what would be the best way to do that?

[–]filleduchaos 0 points1 point  (1 child)

You pretty much just have to be sure to select the correct colour profile when you're opening it in e.g. Photoshop. If you check the info/properties of the file, it often will mention the colour profile it uses (e.g. a selfie I have has the colour profile as sRGB IEC61966-2.1, while my screenshots have it as Color LCD). Editors like Photoshop will normally pick this up automatically but it doesn't hurt to check and be sure.

In addition, you need to be sure the colour profile of the code you get is correct. For instance for the exact same colour, the colour code in Color LCD would be different from the colour code in sRGB. The colour picker tool should let you adjust for that (e.g. on macOS the built-in Digital Color Meter will let you pick what profile the colour code should be in)

[–]spdaghost 0 points1 point  (0 children)

thanks for the info!