Would you expect this to be true or false? darken(lighten($c, 25%), 25%) == $c
-chris On Wed, Aug 25, 2010 at 4:46 PM, Noel <[email protected]> wrote: > For what it's worth, as a outside observer just following along and > having never used the function. My initial expectation upon reading > darken($light-blue, 50%) was that it would be darkened by 50%. > > so in the example given > arken(#ADC1CC, 50%) =~ #2F414B, since 74% - 50% = 24% > > I was expecting 74%/2 not 74%-50% > > Wonder what others would expect. > > > On Wed, Aug 25, 2010 at 3:36 PM, Nathan Weizenbaum <[email protected]> > wrote: > > mix() will actually modify the saturation. darken() does darken the color > > without affecting hue and saturaton; it just does it on an absolute > scale. > > So darken($light-blue, 50%) will lower the lightness by 50%, not make it > > half as light. > > > > To get precisely the effect you want, you could do darken($light-blue, > > lightness($light-blue)/2). However, I would hope that darken() on its own > > serve you well enough. > > > > As a side note, in Sass 3.2, we'll allow users to define their own > > functions, so you can make a scale-lightness() function that does > something > > like lighten($color, $scale * lightness($color)). > > > > On Wed, Aug 25, 2010 at 3:04 PM, BladeBronson <[email protected]> > > wrote: > >> > >> Ah ha... I figured that SASS was too well-written for something this > >> big to still be around. I honestly mean that. > >> > >> My first instinct to darken a color (and not affect hue or saturation) > >> was to use the darken($light-blue, 50%) function. It looks like I > >> should be using mix($light-blue, #000000) or mix($light-blue, #000000, > >> XX%) for finer control. > >> > >> Thanks for clearing this up, fellas. > >> > >> > >> On Aug 25, 2:15 pm, Nathan Weizenbaum <[email protected]> wrote: > >> > On Wed, Aug 25, 2010 at 2:07 PM, BladeBronson > >> > <[email protected]>wrote: > >> > > >> > > >> > > >> > > >> > > >> > > Before I file this, I'm just trying to figure out how much of this > I'm > >> > > misunderstanding. :) > >> > > >> > > Using Photoshop orhttp://www.opentopia.com/tools/colcal/, my light > >> > > blue color (#ADC1CC) has the following values: > >> > > Hue: 201 > >> > > Saturation: 15 > >> > > Lightness: 80 > >> > > >> > > Using SASS: > >> > > >> $c = #ADC1CC > >> > > #adc1cc > >> > > >> hue($c) > >> > > 201.29deg > >> > > >> saturation($c) > >> > > 23.308% > >> > > >> lightness($c) > >> > > 73.922% > >> > > >> > > Saturation and Lightness are substantially off. Is this a bug, or > >> > > expected? > >> > > >> > Note that on the link you gave, it lists hue, saturation, and > >> > *brightness*. > >> > This is a different color space than hue, saturation, and *lightness*. > >> > Confusing, I know. Seehttp://en.wikipedia.org/wiki/HSL_and_HSVfor an > >> > overview of the difference. Since CSS3 uses HSL, so do we. > >> > >> -- > >> You received this message because you are subscribed to the Google > Groups > >> "Haml" group. > >> To post to this group, send email to [email protected]. > >> To unsubscribe from this group, send email to > >> [email protected] <haml%[email protected]> > . > >> For more options, visit this group at > >> http://groups.google.com/group/haml?hl=en. > >> > > > > -- > > You received this message because you are subscribed to the Google Groups > > "Haml" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected] <haml%[email protected]>. > > For more options, visit this group at > > http://groups.google.com/group/haml?hl=en. > > > > -- > You received this message because you are subscribed to the Google Groups > "Haml" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected] <haml%[email protected]>. > For more options, visit this group at > http://groups.google.com/group/haml?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Haml" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/haml?hl=en.
