I’m not a big fan of learning lists of words, but spending a few minutes working out the tones and reading aloud these colours a few times will definitely help. Anyways, you’ll need to learn the Thai colors at some point and any reading practice is good practice. Even if it’s just a list of words…
As always, whether you are trying to just remember one or all of these, I always recommend connecting it with something else as a hook. Make short phrases like below and write them out by hand a couple times.
light bluelight blue
dark bluedark blue