🟥➡️🟦

#color change #change color #swap color #replace color #color transformation #hue shift

🎨➕4️⃣

#uno #uno card #wild draw four #draw four #change color #plus four card

🎨➡️7️⃣

#uno #uno cards #wild card #change color #number card #matching game #card game rules

🎨🃏️🔄🃏️🚫🃏️➕✌️🃏️

#uno action cards #reverse card #skip card #draw two card #special uno cards #uno rules #change color

⚪✨➡️🟢

#change color #turn green #color shift #greenify #pigment change #become green literally

⏹➡️⬜️

#black square to white square #change color #opposite color #square comparison