Reuse XYZ-D65's conversions for XYZ-D50 absolute conversions #170
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More specifically: for the absolute conversions to/from linear sRGB. This works because XYZ-D65 and sRGB both use the D65 white point, so the "relative" conversion specified in XYZ-D65 to/from linear sRGB is an absolute one. Plus, though XYZ-D50 is relative to D50, XYZ-D50 and XYZ-D65 are otherwise the same color space.
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More specifically: for the absolute conversions to/from linear sRGB.
This works because XYZ-D65 and sRGB both use the D65 white point, so the "relative" conversion specified in XYZ-D65 to/from linear sRGB is an absolute one. Plus, though XYZ-D50 is relative to D50, XYZ-D50 and XYZ-D65 are otherwise the same color space.