If your goal is to create natural colors and ‘pure’ white elements, you need a supporting tool, such as a grey card. These have an 18 per cent gray tone and come in handy credit card sizes.

Today the developer launched Photon Camera 2.0 with two new power-user features: 3D white balance control and gray card detection. LateNiteSoft detailed the release on its website this morning: ...

Little contribution will be of help here, I have an array of red, green, and blue 8-bit pixel values but these were recorded by a industrial camera set to a known color temperature of 5600K ...