no red carpet here, but I agree, the darker red will show less dark dirt but every speck of lint will 'pop' so kinda depends on your usage and tastes. After all, it's your rig so go with your gut.

95 Ram 2500 4x4 92 Ramcharger Canyon Sport 89 D150
79 D200 79 W150 PwrWgn SB 79 Trail Duster
78 W150 PwrWgn SB 77 Trail Duster 73 Charger 73 Charger SE
2-68 Polaras 2dr HT 67 Charger 66 Charger
65 Imperial Crown Coupe 2dr HT 53 D1 p/u