Gold Charms
Goblins - 2 Combat (1/5 Drop chance. Excellent training for beginers.)
Hill Giants - 28 Combat
Deadly Red Spider - 34 Combat
Moss Giant - 42 Combat
Ogre - 53 Combat (Joint - Second best gold dropper with Ice Giants)
Ice Giant - 53 Combat (Joint - Second best gold dropper with Ogres)
Ice Warriors - 57 Combat (Currently Advised best for Gold Charms aswell as Fire Giants)
Wolf - 64 Combat
Infernal mages - 66 Combat (A good Gold Charm Dropper if you are used to killing these)
Ogresses - 69 Combat (Multi-Combat, Training with your familiar can help.)
Bloodveld - 76 Combat (50 Slayer)
Turoth - 83-87 Combat
Fire Giants - 86 Combat (Currently Advised best for Gold Charms aswell as Ice Warriors)
Greater demon - 92 Combat
Dust Devil - 93 Combat
Aberrants - 96 Combat
Hellhound - 112 Combat (Good for Gold Charms if you are doing a slayer task)
Kalphite Guardian - 141 Combat.
Iron dragon - 189 Combat (Upto 2 at a time, slow killing although it drops Green Charms more than anything else)
Giant Mole - 230 (Upto 2 at a time, 100% Drop,)
Green Charms
Deadly Red Spider - 34 Combat
Ogre - 52 Combat (NOTE: Don't Get mistaken with the ones at the Kings Training Ground.)
Wolf - 64 Combat
Ice Giant - 53 Combat
Ice Warriors - 57 Combat (Around 1 in 25 of a chance)
Basilisk - 61 Combat (The best Green droppers so far)
Poison Spider - 64 Combat
Bloodveld - 76 Combat (50 Slayer)
Jellies - 78 Combat (1/2 of chance, One of the best Green Charm dropper so far, 52 Slayer)
Turoth - 83-87 Combat
Dire Wolf - 88 Combat
Cave Bugs - 92 Combat
Greater demon - 92 Combat
Dust Devil - 93 Combat
Blue dragon - 111 Combat
Hell Hound - 122 Combat
Iron dragon - 189 Combat (Upto 2 at a time) (Slow killing although it drops Green Charms more then anything else)
Giant Mole - 230 (Upto 2 at a time, 100% Drop, )
Crimson charm
Deadly Red Spider - 34 Combat
Moss Giant - 42 Combat
Shadow Warriors - 48 Combat. (Not too good at around 4/10 chance)
Ice Giant - 53 Combat
Ice Warriors - 57 Combat
Wolf - 64 Combat
Turoth - 83-87 Combat
Greater demon - 92 Combat (Joints -Second Best Crimson Charm Dropper)
Dust Devil - 93 Combat (Joints -Second Best Crimson Charm Dropper)
Hell Hound - 122 Combat
Waterfiends - 115 Combat (Top Crimson Charm dropper so far, In 27 kills around 26 Charms earned)
Rock Lobsters - 137 (Magic Advised for training)
Giant Rock Crabs - 138 Combat (They give 10 Crimson Charms at a time)
Black Demons - 172
Iron dragon - 189 Combat (Upto 2 at a time)
Steel dragon - 246 Combat (Upto 3 at a time)
Giant Mole - 230 (Upto 2 at a time, 100% Drop,)
Blue Charms
Turoth - 83-87 Combat
Greater demon - 92 Combat
Dust Devil - 93 Combat
Abberant specter - 96 Combat
Iron dragon - 189 Combat (Upto 2 at a time)
Steel dragon - 246 Combat (Upto 3 at a time) (Good Blue Charm dropper)
Giant Mole - 230 (Upto 2 at a time, 100% Drop,)
From salmoneus