Understanding selective coloring in Adobe Photoshop

Messed around with it for a bit: <a href="https:&#x2F;&#x2F;0x0.st&#x2F;fPF.webm" rel="nofollow">https:&#x2F;&#x2F;0x0.st&#x2F;fPF.webm</a><p>Used: -filter_complex &quot;[0:v] selectivecolor=greens=&#x27;0 1 0&#x27;:yellows=&#x27;-1 -1 1&#x27;:magentas=&#x27;1 0.5 -1&#x27;:blues=&#x27;1 -0.9 1&#x27;:reds=&#x27;-1 0.1 -1&#x27; [x] ; [0:v] scale=w=360:h=-1 [y] ; [x] [y] overlay=format=yuv420 [out]&quot; -map &quot;[out]&quot;