HEX 轉 RGB

HEX is simply a hexadecimal notation for RGB values. Each pair of characters in a HEX code represents the same 0-255 value as in RGB, but in base-16 instead of base-10. For example, #FF0080 translates to RGB(255, 0, 128).

RGB is more readable when you need to understand or manipulate individual color components. It's also required when working with transparency (RGBA). HEX is more compact and commonly used for static color definitions in CSS and design software.

RGB values represent the intensity of red, green, and blue light that combine to create a color. Each value ranges from 0 (no intensity) to 255 (full intensity). When all three are maximum (255), you get white; when all are minimum (0), you get black.

RGBA adds an alpha channel to RGB, representing transparency. The alpha value ranges from 0.0 (fully transparent) to 1.0 (fully opaque). This is useful for creating layered designs where colors need to blend with underlying elements.

Color variation occurs due to differences in screen calibration, display technology (LCD, OLED, etc.), and manufacturing. While HEX and RGB values are precise, the physical reproduction can vary. For critical applications, consider color calibration.