Serene Life

by garik

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1
vote
2answers
79 views

CIE Chromatic Diagram explainment

The MacAdam Ellipse is applied in the CIE Chromatic Diagram. I understand that humans distinguish some colors better then other colors (that's why the shape is eliptic / a horseshoe / inverted ...
9
votes
5answers
1k views

What's the difference between colour space and bit depth?

I know that there are different types of colour space and that sRGB is the most common. Bit depth defines the variations of a colour channel, where (I think) 8 and/or 16 bits are the most common. ...
5
votes
4answers
195 views

What is the difference or relation between a Color Model and a Color Space?

What is the exact relation or difference between a color model and a color space? I find these two terms to be used interchangeably in some literature. Are they simply the same? Thanks!
4
votes
2answers
220 views

What does 'freedom of color from white or gray' mean?

The dictionary entry for the word chroma says, "the purity of a color, or its freedom from white or gray." What does that statement mean? What is color made of? What causes color? I was reading this ...
7
votes
1answer
331 views

What is Colour Rendering Index (CRI)?

From this answer on white balancing a LED light I understood there's a thing called Colour Rendering Index (CRI). I understand it has something to do with how well lights reproduce the sun's colour ...
6
votes
3answers
690 views

What do the measurements for colour depth mean?

Colour depth is often referred to as being X bits. What does this mean and how does it effect a photograph? What scale is used, i.e. is it linear, exponential, logarithmic, etc.?
5
votes
1answer
539 views

How to figure out whether the colours in a photo are warm or cool, and how does that matter?

On 1x some people have said that this picture has warm colours. I wish to understand what qualifies to be a warm colour, cool colour, and how does that matter? Warm means bright? and Cool means ...
2
votes
2answers
284 views

How is this lighting and colouring effect achieved?

A few days ago, I saw this picture linked here on 500px and was wondering how the coloring technique is called. On a first glance, it looks like a high key shot, but it is unusual as it has no light ...
24
votes
2answers
5k views

What do Hue, Chroma, Saturation, Value, Tones, Tints, Shade, etc. mean?

I've read several online tutorials about color theory but I'm still confused about how to "visually" catch color concepts and use them efficiently. The only thing I seem to understand is "hue" which ...
24
votes
3answers
2k views

What is the meaning of “white balance”?

I would like to understand the term white balance. My camera has settings for white balance with the following options: Auto white balance Daylight Cloudy Shade Flash Incandescent lights White set1 ...