color-detection Normal HSV H 300 S 100 V 100 Open CV HSV H 180 S 255 V 255 Rumus Ubah HSV Normal ke Open CV H Open CV = H Normal/2 S Open CV = S Normal*2.55 V Open CV = V Normal*2.55 Lower Open CV = H-10, S-20, V-20 Upper Open CV = H+10, S+20, V+20