The color scheme in the Redteamwx Wind Vector Plot

Does anyone have thoughts about how to decode the colors in the Redteamwx Wind Vector Plot? (I know that red vs green, etc have something to do with Dew Pt/depression or RH?)



LOOPING PLACEFILES (SECONDARY)

Wind Vector Plot (Dewpoint Color-Coded)

placefiles.redteamwx.com/loop_vector.php



P.S.



Keep in mind I have color vision issues.