This is red color.
HEX code: #ff0000 .
This is orange color.
HEX code: #ff7f00 .
This is yellow color.
HEX code: #ffff00 .
This is green color.
HEX code: #00ff00 .
This is blue color.
HEX code: #0000ff .
This is indigo color.
HEX code: #4b0082 .
This is violet color.
HEX code: #9400d3 .