b22_client/assets/materials/flash_color.mtl

{
  "__type__": "cc.Material",
  "_name": "spine_color",
  "_objFlags": 0,
  "_native": "",
  "_effectAsset": {
    "__uuid__": "f7c3443e-a50a-4703-96fc-519f7b3a86f4"
  },
  "_techniqueIndex": 0,
  "_techniqueData": {
    "0": {
      "props": {
        "flashColorRed": 0,
        "u_lerp": 0
      },
      "defines": {
        "USE_ALPHA_TEST": false,
        "USE_TINT": false,
        "INPUT_IS_GAMMA": false
      }
    }
  }
}