My armor is purple and black:
[12:59:22] [Render thread/WARN] [minecraft/TextureManager]: Failed to load texture: minecraft:textures/models/armor/good_layer_1.png
java.io.FileNotFoundException: minecraft:textures/models/armor/good_layer_1.png
[12:59:22] [Render thread/WARN] [minecraft/TextureManager]: Failed to load texture: minecraft:textures/models/armor/good_layer_2.png
java.io.FileNotFoundException: minecraft:textures/models/armor/good_layer_2.png
my armor textures are in src/main/recources/assets/goodmod/textures/models/armor/
they are named good_layer_1.png and good_layer_2.png