Top "Rgb" questions

How do I create a UIColor from RGBA?

I want to use NSAttributedString in my project, but when I'm trying to set color, which isn't from the standard …

ios objective-c rgb nsattributedstring uicolor

Converting hex color to RGB and vice-versa

What is the most efficient way to do this?

colors hex rgb

Calculation of a mixed color in RGB

I want to be able to take two RGB-256 vectors and calculate the result of their mixture. Also I want …

graphics colors rgb mixing

Get Pixel color of UIImage

How can I get the RGB value of a particular pixel in a UIImage?

iphone uiimage rgb pixel

How to convert RGB -> YUV -> RGB (both ways)

I want a pair of conversion algorithms, one from RGB to YUV, the other from YUV to RGB, that are …

c++ c rgb yuv bidirectional

How to convert a grayscale matrix to an RGB matrix in MATLAB?

rgbImage = grayImage / max(max(grayImage)); or rgbImage = grayImage / 255; Which of the above is right,and reason?

image matlab matrix rgb grayscale

What are differences between RGB vs RGBA other than 'opacity'

I have moved beyond using standard colors in CSS by declaring them orange, blue, aquamarine, etc..., and have been using …

css rgb argb rbga

OpenCV giving wrong color to colored images on loading

I'm loading in a color image in Python OpenCV and plotting the same. However, the image I get has it's …

python image opencv colors rgb

Convert light frequency to RGB?

Does anyone know of any formula for converting a light frequency to an RGB value?

algorithm language-agnostic rgb formula approximation

Algorithm: How do I fade from Red to Green via Yellow using RGB values?

I want to display a color based on a value from 0 to 100. At one end (100), it's pure Red, the other …

c# algorithm rgb