c# 查找相似颜色算法
using System;
using System.Collections.Generic;
public class ColorMatcher
{
// 颜色容器 - 使用字典存储颜色ID到RGB的映射
private readonly Dictionary<int, byte[]> _colorDictionary = new Dictionary<int, byte[]>
{
{
1, new byte[] {
255, 0, 0}},
{
2, new byte[] {
255, 255, 0}},
// ...此处省略其他颜色数据，实际使用时需完整填充
};
// 权重配置（可根据需要调整）
private readonly double[] _channelWeights = new double[] {
1.0, 2.0, 1.0}; // R:1, G:2, B:1（亮度优先）
/// <summary>
/// 查找与目标颜色最相似的颜色ID
/// </summary>
/// <param name="targetColor">目标颜色RGB数组</param>
/// <returns>最相似颜色ID</returns>
public int FindClosestColor(byte[] targetColor)
{
if (targetColor == null || targetColor.Length != 3)
throw new ArgumentException("Invalid color array");
double minDistance = double.MaxValue;
int closestColorId = -1;
foreach (var kvp