Python RGB to Hex Converter

As a programmer, you will often come across situations where you need to convert RGB (Red-Green-Blue) color values to their corresponding Hexadecimal (Hex) values. This Python program can help you with that.

Usage

The program takes three arguments, representing the RGB values, in the range of 0 to 255. It then returns the corresponding Hex value as a string.

def rgb_to_hex(r: int, g: int, b: int) -> str:
    return f"{r:02x}{g:02x}{b:02x}"

The above function takes three integer arguments representing the red, green, and blue values, and returns the corresponding Hex value as a string.

Example

>>> rgb_to_hex(255, 0, 0)
'ff0000'

>>> rgb_to_hex(0, 255, 0)
'00ff00'

>>> rgb_to_hex(0, 0, 255)
'0000ff'

>>> rgb_to_hex(100, 149, 237)
'6495ed'

Explanation

The RGB color model is composed of three primary colors: red, green, and blue. Each of these colors can have a value ranging from 0 to 255, where 0 represents no color and 255 represents the maximum color intensity. The Hexadecimal system uses a base-16 numbering system to represent colors, with each color channel (red, green, and blue) represented by two digits each. Therefore, the maximum value of a color channel in Hexadecimal is FF (which is equivalent to 255 in decimal).

In the rgb_to_hex function, we are using Python's built-in f-strings to format the Hex value string, using the :02x format specifier to ensure that each color channel has two digits, with leading zeros (if applicable).

Conclusion

In this article, we have discussed how to convert RGB color values to their corresponding Hex values in Python. The rgb_to_hex function presented here is a simple and efficient way to accomplish this task.