How to Get Coloured Item Names in Minecraft Java 1.21+
1 colour:
/give @p minecraft:itemhere[minecraft:custom_name=[{text:"here",italic:false,color:"#FF0000"}]]
2 colour:
/give @p minecraft:itemhere[minecraft:custom_name=[{text:"here ",italic:false,color:"#FF0000"},{text:"here",italic:false,color:"#FFFF00"}]]
Example:
/give @p minecraft:diamond_sword[minecraft:custom_name=[{text:"OP",italic:false,color:"#55FF55"},{text:"Sword",italic:false,color:"#5555FF"}]]
Black: #000000
Dark Blue: #0000AA
Dark Green: #00AA00
Dark Aqua (Teal): #00AAAA
Dark Red: #AA0000
Dark Purple: #AA00AA
Gold: #FFAA00
Gray: #AAAAAA
Dark Gray: #555555
Blue: #5555FF
Green: #55FF55
Aqua: #55FFFF
Red: #FF5555
Light Purple: #FF55FF
Yellow: #FFFF55
White: #FFFFFF
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