utils.rs

pub fn hexa_to_rgb(hex_code: String) -> Result<(u8, u8, u8), String> {
    let hex = hex_code.trim_start_matches('#');

    if hex.len() != 6 {
        return Err(format!("Invalid hex color length: expected 6, got {}", hex.len()));
    }

    let r = u8::from_str_radix(&hex[0..2], 16)
        .map_err(|e| format!("Invalid red component in hex: {}", e))?;
    let g = u8::from_str_radix(&hex[2..4], 16)
        .map_err(|e| format!("Invalid green component in hex: {}", e))?;
    let b = u8::from_str_radix(&hex[4..6], 16)
        .map_err(|e| format!("Invalid blue component in hex: {}", e))?;

    Ok((r, g, b))
}