- color-r colorprocedure
- colour-r colorprocedure
- set! (color-r color) valsetter
- set! (colour-r color) valsetter
- color-r-set! color valsetter
- colour-r-set! color valsetter
Get or set the sdl2:color's "r" (red) field, as an integer in the range 0 to 255 (inclusive).