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Colors

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Specifying colors

RGB color model
HSL and HSV representation

Related nodes

Specifiyng Colors
RGB (Color Join)
RGB (Color Join Picker)
RGB (Color Join Vector)

HSV (Color Join)
HSV (Color Join Picker)
HSL (Color Join)

AsColor (String Hex)

Splitting into components
RGB (Color Split)
RGB (Color Split Vector)
HSL (Color Split)
HSV (Color Split)

Colors in vvvv are represented by 4 color components in a range 0..1:

  • R for Red
  • G for Green
  • B for Blue
  • A for Alpha (defines transparency)

There is also another way to represent a color in RGB space, which is typically more intuitive to adjust:

  • HSL (Hue, Saturation, Lightness)
  • HSV (Hue, Saturation, Value) aka HSB.

The IOBox (Color) uses the HSV representation by default, see Color IOBoxes.

Note, other software packages can specify individual components in another ranges:

  • RGB: 0..255 for the Color channels and 0..100% for the Alpha
  • HSL: 0..360° for the Hue and 0..100% for the Saturation and Lightness.

Don't forget to convert the values to the 0..1 range.
There are convenient RGB (Color Join Picker), HSV (Color Join Picker)and AsColor (String Hex) for helping. Or just type the expression like 270/360 into the IOBox to convert 207° of Hue into 0..1 range.

Saving / sending colors

Related nodes

AsString (Color Hex)
AsString (Color)
AsRaw (Color)
RGB (Color Split Vector)

AsColor (String Hex)
AsColor (String)
AsRaw (String)
RGB (Color Join Vector)

When you need to save / load a color to a file or send / receive it over the network it has to be represented as a String or Raw data.

Color Manipulation

Related nodes

- (Color)
+ (Color)
* (Color)
= (Color)
RGB (Transform)
HSL (Transform)
Blend (Color)
InputMorph (Color)

Colors in vvvv can be compared, transformed and interpolated.

See also:

Color Space conversion

Related nodes

HSLtoHSV (Color)
HSVtoHSL (Color)

These nodes are little helpers to convert between HSL and HSV spaces.

Palettes

How to Choose Colours Procedurally

Related nodes

RetroColors (Color)
Windows98Colors (Color)
NetscapeColors (Color)
Spectrum (Color)

See also:

Down the rabbit hole

Khan Academy - Pixar in a Box, Color science
Charles Poynton - Color technology
John Novak - What every coder should know about gamma
Bjango - Color management

External sites providing further info on color, color spaces and color management.



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Shoutbox

~7d ago

andresc4: gamma+stride+fuse+standaloneapp+soputoutput+oscinput = lovvvvvveeeeeee!!!!

~9d ago

joreg: @pechart thanks for the flowers!

~10d ago

pechart: Just a big shoutout to the whole vvvv devteam and the friendly community! It's fantastic to export patches to standalone apps. THX!

~18d ago

daviddenker: We are looking asap for 3x Azure Kinect to rent or buy. Any kind of help appreciated! :-)

~21d ago

mediadog: Hmmm md.ecosystem link on staff pics page is not found

~23d ago

schlonzo: physics constraints and forces plz?

~25d ago

karistouf: thank you @gml but im thinking about and old version of vvvvv. There was a redraw with HSL of each pixels

~26d ago

schlonzo: no more previews? is there a 4.0 stable?

~27d ago

sunep: Live now. I perform live AV with Thomas Li after kiloton who is performing now. https://youtu.be/IG5oC6JvMeM

~27d ago

ggml: @karistouf ColorAndDepth help file