toRGB

with(HSVA!double(0, 0, 0.5, 0.0).toRGB!RGBA8888) {
	assert(red == 127);
	assert(green == 127);
	assert(blue == 127);
	assert(alpha == 0);
}
with(HSVA!double(0, 0, 0.5, 1.0).toRGB!RGBA8888) {
	assert(red == 127);
	assert(green == 127);
	assert(blue == 127);
	assert(alpha == 255);
}
with(HSVA!double(0, 0, 0.5, 1.0).toRGB!RGB888) {
	assert(red == 127);
	assert(green == 127);
	assert(blue == 127);
}