If you are measuring “reflectance” as in “light reflected from a colored
surface”, once you calibrate the instrument on its reference plaque, there is
no need to measure a “white piece of paper”, to my humble knowledge. You
directly measure the samples of interest.
/ Roger
From: argyllcms-bounce@xxxxxxxxxxxxx <argyllcms-bounce@xxxxxxxxxxxxx> On Behalf
Of sp am
Sent: Wednesday, June 23, 2021 10:41 AM
To: argyllcms@xxxxxxxxxxxxx
Subject: [argyllcms] argyllpro for android
hello. i was wondering about process for measuring color swatches so i can put
r g b values into photoshop or a 3d rendering program.
i do have my monitor calibrated and profiled using argyllcms and displayCAL.
my instrument is colormunki photo.
so here is what i just tried.
1. under config i go to original default
2. i choose spot reflectance
3. i measure a white piece of paper and tap the ref. button
4. i measure a color swatch and transfer the r g b values into photoshop.
does that sound right?
i do not have pantone colors on my phone. but i figured i could just use the
srgb results.
thanks.
