Convert an int to a CSS colour

Question

Possible Duplicate:
RGB Int to RGB - Python

Using Python I need to convert an int to a six digit hex that I can use as a background colour in CSS. Any ideas how to do that?

The int is a primary key of a model in Django.

What int is that, what does it signify? Any int? Is it something random? — pcalcao, Oct 04 '11 at 16:24
Can you give an example of the int? Is it a three int tuple? e.g. `color = (255, 255, 255)` — John Keyes, Oct 04 '11 at 16:25
This question should not have been closed. The so-called duplicate question is about converting one `int` into 3 `ints`, while this question is about converting one `int` into a `str`. — unutbu, Oct 04 '11 at 18:15

score 10 · Accepted Answer · answered Oct 04 '11 at 16:25

10

Convert an int to a 6-digit hex:

In [10]: '{0:06X}'.format(16746513)
Out[10]: 'FF8811'

Check that the hex is equivalent to the int:

In [9]: int('FF8811',16)
Out[9]: 16746513

answered Oct 04 '11 at 16:25

unutbu

842,883
184
1,785
1,677

Brilliant that is exactly what I'm after. – Neil Oct 04 '11 at 16:28
1

Actually you should use `format(16746513, '06X')` – JBernardo Oct 04 '11 at 17:15

score 5 · Answer 2 · answered Oct 04 '11 at 16:28

IF you really just have an integer then "#" + hex(value) will return the appropriate code to use. However, if you have a tuple of three 0-225 integers then you need to convert the three of them to hex values, pad them if necessary and join them together. You can do this with a single string formatting operation.

hex = "#%02x%02x%02x" % (r, g, b)

The %02x means zero pad the number to two digits which the x means convert to lowercase hexidecimal. Use X if you want uppercase.

Convert an int to a CSS colour

2 Answers2