- From: Tab Atkins Jr. <jackalmage@gmail.com>
- Date: Wed, 23 Jul 2014 15:15:05 -0700
- To: Kornel Lesiński <kornel@geekhood.net>
- Cc: www-style list <www-style@w3.org>, Lea Verou <lea@verou.me>
On Wed, Jul 23, 2014 at 2:53 PM, Kornel Lesiński <kornel@geekhood.net> wrote: > +1 for white(). > > > 1. Cocoa's equivalent is colorWithWhite:alpha: > > https://developer.apple.com/library/mac/documentation/Cocoa/Reference/ApplicationKit/Classes/NSColor_Class/Reference/Reference.html#//apple_ref/occ/clm/NSColor/colorWithWhite:alpha: > > I've checked popular answers on stackoverflow that include references to > variants of this function: developers seem to be using it properly, and I > haven't seen anybody confused about it. Interesting. > 2. CSS is tied more closely to RGB than CMYK > > If there was black(x) I'd expect it to be a shorthand for cmyk(0,0,0,x), but > use of actual CMYK colors in CSS can be a can of worms (it should be subject > to color profiles, but then black(0) may be different than rgb(0,0,0)). > > However in the RGB world white(x) can be simply explained as rgb(255*x, > 255*x, 255*x), but the same doesn't make sense for black: rgb(0*x, 0*x, > 0*x). Black is just (100% - x) for each component. ~TJ
Received on Wednesday, 23 July 2014 22:15:52 UTC