Gryffindor Red: #841b1a
Ravenclaw Blue: #28476d
Hufflepuff Yellow: #8a7408
Slytherin Green: #235416

Durmstrang Red - #831212
Beauxbatons Blue - #8AA7B8
Ilvermorny Red - #AE2851
Koldovstoretz Blue - #3E4F7A
Mahoutokoro Pink - #CB948C
Castelobruxo Green - #2E5B33

Witch/Wizard Grey: #5b5b59
Official Staff Brown: #6d4f35
Game Master Purple: #6a2248

Galleon Gold: #cda437
Sickle Silver(Sickle Silver): #bbb1b9
Knut Bronze: #9e6e46

Hogwarts Brown: #251913
Leaky Cauldron Hazel: #322416
Diagon Alley Brown: 1c0e0f
London Grey: #21221d
Ministry of Magic Dark Grey
: #1c2228
Hogsmeade's Wood: #1c1715

Gryffindor Common Room Red: #3e100c
Hufflepuff Common Room Yellow: #4d3911
Ravenclaw Common Room Blue: #1f293a
Slytherin Common Room Green: #202d1b

Hogwarts Banner Gold: #a28f3e
Hogwarts Banner Silver: #6f6f6f
Griffindor Banner Red: #8b3c3e
Hufflepuff Banner Yellow: #b19e41
Ravenclaw Banner Blue: #395474
Slytherin Banner Green: #2f5030

Leaky Caldron Banner Yellow: #d5b631
Leaky Cauldron Banner Purple: #646685

London Banner Silver: #a79a90
London Banner Red: #682222

Ministry of Magic Banner Black: #100802
Ministry of Magic Banner Gold: #c99f42

Remembrall Red: #a41d07

Apple Bean Red: #520d02

if you want me to add other colours, feel free to reply