What am I riddles

cleanwhat am Isimplelogic

I am pronounced as a one letter alphabet. I am written with three letters. I am complete with just two letters. I am double. I am blue I am black I am brown I am gray I am yellow and I am green. I can read from both ends. I appear the same every way! What am I?
75.18 %
58 votes
cleanpoemswhat am I

For thousands of years, Seen only in tale. The wind as a sail, For one thunderous gale. Shiny stores rich in lore, The burning temper, like Earth's core. What am I?
74.61 %
108 votes