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Color red = const Color(0xFF890041);
Color redHexColor = HexColor('#890041');
print(red == redHexColor);///true
print(redHexColor == red);///true
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Color c = const Color(0xFF42A5F5);
Color c = const Color.fromARGB(0xFF, 0x42, 0xA5, 0xF5);
Color c = const Color.fromARGB(255, 66, 165, 245);
Color c = const Color.fromRGBO(66, 165, 245, 1.0);
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Color red = const Color(0xFF890041);
Color redHexColor = HexColor('#890041');
print(red == redHexColor);///true
print(redHexColor == red);///true
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const color = const Color(0xffb74093); // Second `const` is optional in assignments.
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Color myHexColor = Color(0xff123456)
// her you notice I use the 0xff and that is opacity or transparency of the color
// and you can also change these value .
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// color start from 0xff_colorcode
Color(0xffA5A4A4)
Color(0xffA5A4A4).withOpacity(.5)