Need help from a sprite artist

I cannot do that, SMB shares palettes between objects. I'm not familiar with NES to know how to separate those palettes.

Palettes
Underwater
0x0CB7 to 0x0CBA (0004) = Seaweed, Entrance Pipe in underwater portion of 8-4.
0x0CBB to 0x0CBE (0004) = Ocean Floor, Pipes, Brickwork in underwater portion of 8-4.
0x0CBF to 0x0CC2 (0004) = Water, topscreen text.
0x0CC3 to 0x0CC6 (0004) = Coins, ? blocks (overwritten by 4 values starting at 0x09e1)
0x0CC7 to 0x0CCA (0004) = Player color (overwritten)
0x0CCB to 0x0CCE (0004) = Cheep-Cheeps (gray)
0x0CCF to 0x0CD2 (0004) = Bubbles, Fireballs, Lifts, Cheep-Cheeps (red)
0x0CD3 to 0x0CD6 (0004) = Blooper
Overworld
0x0CDB to 0x0CDE (0004) = Bushes, Mountains, Pipes, Flagpole, Treetops, Bridgerails (2-3).
0x0CDF to 0x0CE2 (0004) = Title Screen Marquee/Icon/Text, Brickwork, Empty ? Blocks, Pyramid Blocks, Castles, Fencing, Treetrunks, Bridge Platforms, Mushroom Platform Stalks (4-2), Bill Blasters.
0x0CE3 to 0x0CE6 (0004) = Topscreen Text, Clouds, Cloud Platforms, Water (3-1).
0x0CE7 to 0x0CEA (0004) = Coins, ? blocks (overwritten by 4 values starting at 0x09e5)
0x0CEB to 0x0CEE (0004) = Player color (overwritten)
0x0CEF to 0x0CF2 (0004) = 1-Up Mushrooms, Flagpole's Flag, Pirhana Plants, Green Koopas, Fireflower Stems, Beanstalk, Hammer Bros., Lakitu.
0x0CF3 to 0x0CF6 (0004) = Size Mushrooms, acquired points, coins from blocks, Lifts, Castle Flag, Red Koopas, Jumpspring, "ooooo" Platforms (coin heaven), Flying Cheep-Cheeps (2-3), Spiny/Eggs, Fireballs.
0x0CF7 to 0x0CFA (0004) = Blocks (while being hit), ? Blocks (while being hit), Goombas, Hammers, Buzzy Beetle, Bullet Bill.
Underground
0x0CFF to 0x0D02 (0004) = Pipes.
0x0D03 to 0x0D06 (0004) = Blocks/Bricks.
0x0D07 to 0x0D0A (0004) = Pre-level text (throughout entire game), topscreen text (underground).
0x0D0B to 0x0D0E (0004) = Coins, ? blocks (overwritten by 4 values starting at 0x09e9)
0x0D0F to 0x0D12 (0004) = Player color (overwritten)
0x0D13 to 0x0D16 (0004) = 1-Up Mushroom, Pirhana Plants, Green Koopas, Fireflower Stems, ? Blocks (while being hit).
0x0D17 to 0x0D1A (0004) = Fireballs, acquired points (100, 200, 400, etc.), coins from blocks, Red Koopas, Lifts.
0x0D1B to 0x0D1E (0004) = Goombas, Buzzy Beetle, Brick Fragments, Bricks (while being hit).
Dungeon
0x0D23 to 0x0D26 (0004) = Chain (near axe on Bowser's bridge), "Thank You Mario..." text, Mushroom Platform tops (6-3).
0x0D27 to 0x0D2A (0004) = Bricking, old (spent) blocks, mushroom platform support stalks (6-3).
0x0D2B to 0x0D2E (0004) = Topscreen Text, "water", Bowser's Bridge, Clouds.
0x0D2B to 0x0D32 (0004) = Coins, ? blocks (overwritten by 4 values starting at 0x09ed)
0x0D33 to 0x0D36 (0004) = Player color (overwritten)
0x0D37 to 0x0D3A (0004) = Blocks (while being hit), Fireflower Stem, Pirhana Plants, Green Koopas, Hammer Bros.
0x0D3B to 0x0D3E (0004) = Fire/firechains, Podobos, Bowser's Flame, Coins (from blocks), Lifts, Toads, Flying Cheep-Cheeps, Princess Peach.
0x0D3F to 0x0D42 (0004) = Goombas, Buzzy Beetle, Hammers.
Miscellaneous/Caveat Palettes
0x0D47 to 0x0D4A (0004) = Treetops, pipes and flagpole (5-1, 7-1, etc.)
0x0D4F to 0x0D52 (0004) = Treetops, pipes, bridge railing, flagpole (3-1, etc.)
0x0D57 to 0x0D5A (0004) = Mushroom platform tops, flagpole (4-3)
0x0D5F to 0x0D62 (0004) = Bowser
0x09D3 to 0x09D8 (0006) = Coin and ? block pallete cycle