0to255

• +15 #fff 100%
• +14 #efe 97%
• +13 #dfd 93%
• +12 #cfc 90%
• +11 #bfb 87%
• +10 #afa 83%
• +9 #9f9 80%
• +8 #8f8 77%
• +7 #7f7 73%
• +6 #6f6 70%
• +5 #5f5 67%
• +4 #4f4 63%
• +3 #3f3 60%
• +2 #2f2 57%
• +1 #1f1 53%
• 0 #0f0 50%
• -1 #0e0 47%
• -2 #0d0 43%
• -3 #0c0 40%
• -4 #0b0 37%
• -5 #0a0 33%
• -6 #090 30%
• -7 #080 27%
• -8 #070 23%
• -9 #060 20%
• -10 #050 17%
• -11 #040 13%
• -12 #030 10%
• -13 #020 7%
• -14 #010 3%
• -15 #000 0%

Created by Shaun Chapman