colour_fromstring
c = colour_fromstring(new);
if ((number = colour_fromstring(value)) == -1) {
if ((number = colour_fromstring(value)) == -1) {
if ((value = colour_fromstring(tmp + 5)) == -1)
if ((value = colour_fromstring(tmp + 3)) == -1)
if ((value = colour_fromstring(tmp + 3)) == -1)