[Libreoffice-ux-advise] [Bug 156182] FORMATTING Automatic text color can be unreadable with darker cell colors

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=156182

--- Comment #7 from Myndex <me at andysomers.com> ---
Also I just ran the macro, there's an error in case 4

It is not correct to do a square root on Andy's down and dirty luminance:

                    aLum = sqr( (Red(aColor)/255)^2.2 * 0.2126 +
(Green(aColor)/255)^2.2 * 0.7152 + (Blue(aColor)/255)^2.2 * 0.0722 )
                    Threshold = 0.6


This should instead be


                    aLum = (Red(aColor)/255)^2.2 * 0.2126 +
(Green(aColor)/255)^2.2 * 0.7152 + (Blue(aColor)/255)^2.2 * 0.0722
                    Threshold = 0.36


Thank you!

Andy

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