0to255

• +18 #fff 100%
• +17 #f6f6f6 96%
• +16 #eee 93%
• +15 #e5e5e5 90%
• +14 #ddd 87%
• +13 #d4d4d4 83%
• +12 #ccc 80%
• +11 #c3c3c3 76%
• +10 #bbb 73%
• +9 #b2b2b2 70%
• +8 #aaa 67%
• +7 #a1a1a1 63%
• +6 #999 60%
• +5 #909090 56%
• +4 #888 53%
• +3 #7f7f7f 50%
• +2 #777 47%
• +1 #6e6e6e 43%
• 0 #666 40%
• -1 #5e5e5e 37%
• -2 #555 33%
• -3 #4d4d4d 30%
• -4 #444 27%
• -5 #3c3c3c 24%
• -6 #333 20%
• -7 #2b2b2b 17%
• -8 #222 13%
• -9 #1a1a1a 10%
• -10 #111 7%
• -11 #090909 4%
• -12 #000 0%

Created by Shaun Chapman