十六进制转RGB ---颜色-color

```

// 十六进制转RGB
function hexToRgb(hex: string) {
const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result
? [
parseInt(result[1], 16),
parseInt(result[2], 16),
parseInt(result[3], 16),
]
: null;
}

function adjustColor(color: string, depth: number, alpha: number) {
// 判断颜色格式
const isRgb = color.length === 3 || color.length === 4;
const isHex = /^#[0-9a-fA-F]{6}$/.test(color);

if (!isRgb && !isHex) {
throw new Error(
"Invalid color format. Accepted formats: RGB (e.g., [255, 0, 0]) or Hex (e.g., #ff0000)"
);
}

// 将RGB或十六进制颜色转为RGBA格式
let rgbaColor: any;
if (isRgb) {
rgbaColor = [...color, alpha];
} else if (isHex) {
const rgbColor = hexToRgb(color) as number[];
rgbaColor = [...rgbColor, alpha];
}

// 根据深浅值调整RGBA值
rgbaColor = adjustColorValue(rgbaColor, depth);

return rgba(${rgbaColor[0]},${rgbaColor[1]},${rgbaColor[2]},${rgbaColor[3]});
}

// 十六进制转RGB
function hexToRgb(hex: string) {
const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result
? [
parseInt(result[1], 16),
parseInt(result[2], 16),
parseInt(result[3], 16),
]
: null;
}

// 调整颜色深浅值和透明度
function adjustColorValue(rgba: number[], depth: number) {
return [
Math.round(rgba[0] + depth) > 255 ? 255 : Math.round(rgba[0] + depth),
Math.round(rgba[1] + depth) > 255 ? 255 : Math.round(rgba[1] + depth),
Math.round(rgba[2] + depth) > 255 ? 255 : Math.round(rgba[2] + depth),
rgba[3], // 保持透明度不变
];
}