Top "Rgb" questions

RGB to hex and hex to RGB

How to convert colors in RGB format to hex format and vice versa? For example, convert '#0080C0' to (0, 128, 192).

javascript colors hex rgb

How to read the RGB value of a given pixel in Python?

If I open an image with open("image.jpg"), how can I get the RGB values of a pixel assuming …

python graphics rgb pixel

Formula to determine brightness of RGB color

I'm looking for some kind of formula or algorithm to determine the brightness of a color given the RGB values. …

image colors rgb

Hex colors: Numeric representation for "transparent"?

I am building a web CMS in which the user can choose colours for certain site elements. I would like …

css colors transparency rgb

Set background colour of cell to RGB value of data in cell

I have a column containing RGB values, e.g.: 127,187,199 67,22,94 In Excel, is there any way I can use this to …

excel vba rgb

libpng warning: iCCP: known incorrect sRGB profile

I'm trying to load a PNG image using SDL but the program doesn't work and this error appears in the …

c++ warnings sdl rgb libpng

Get pixel's RGB using PIL

Is it possible to get the RGB color of a pixel using PIL? I'm using this code: im = Image.open("…

python image python-imaging-library rgb pixel

Converting RGB to grayscale/intensity

When converting from RGB to grayscale, it is said that specific weights to channels R, G, and B ought to …

image-processing colors computer-vision language-agnostic rgb

HSL to RGB color conversion

I am looking for an algorithm to convert between HSL color to RGB. It seems to me that HSL is …

algorithm colors rgb hsl

Convert System.Drawing.Color to RGB and Hex Value

Using C# I was trying to develop the following two. The way I am doing it may have some problem …

c# asp.net rgb system.drawing.color