I like the blacked out grill insert on all color cars. I've done it to the white wagon, to the black bat and to China Blue China.
This is simply my preference. Pics are for reference, not to try and forward the point of "this idea is better because I do it". Hope that makes sense....

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Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John