Comment 10 for bug 551254

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Pander (pander) wrote :

Meanwhile Inkscape 0.48 provides HSL 3x 0-255.

For two reasons I would like to have the HSL 0-360 & 2x 0-100 also made available. For ease of conversation, lets call it HSV here.

First reason is to be compatible with other color pickers like gcolor2. I would like to enter the same HSV value and arrive at exactly the same RGB/whatever value, leaving the rounding errors outside the discussion. When rounding errors occur, please let them be the same error which other tools like gcolor2 make too.

Second reason is that I would like to request that two buttons be added in the color wheel called
  Hue +60°
and
  Hue -60°
These buttons allow users to quickly change the /temperature/ of a color.

When possible, these buttons could also be made available in the HSV tab. There the degrees can be added or subtracted directly to Hue. For HSL tab, it would be a stepsize of 16.66667 which could cause undesired extra rounding errors. I don't know what the internal representation of color is, so I leave that up to you.

Implementing the above would offer a HSV tab with 0-360 and improve compatibility with other applications (even if it is wrong, it is wrong in the exactly same way). Implementing Hue +60° and Hue -60° buttons for color wheel tab, HSV tab and HSL tab would offer users to quickly find colors in another /temperature/ but in the same /family/.