Shader Graph Vertex Color Bias

[UDN_41c53a1a-0daa-4677-a552-0a2e49c9be23]

HI Guys
When I use Shader Graph Vertex to show color , i found there is color bias

Vertex shader

Color Shader

the result

Left is vertex color , right is MainColor Shader, there are use the same color value.
But the vertex color has bias
Some color are the same just like :

It seems that the value of 255 or 0 will not be affected
Does anyone know why?
My unity version is 2019.4.35f1 , shader graph is 7.7.1

[UDN_41c53a1a-0daa-4677-a552-0a2e49c9be23]

ok i Found it

why vertex color different with fragment color?

[8002985--1029212--upload_2022-3-29_18-10-2.png] Left cube use fragment color. [8002985--1029215--upload_2022-3-29_18-10-18.png] Right cube use vertex color. [8002985--1029218--upload_2022-3-29_18-10-59.png] using UnityEngine; public class Cube : MonoBehaviour { MeshFilter mt; MeshRenderer mr; // Start is called before the first frame update void Start() { mt = GetComponent<MeshFilter>(); mr = GetComponent<MeshRenderer>(); Mesh mesh = new Mesh(…