Using the HTML Color Codes tool, starting with the HEX color #3498db, find its complementary color. Then, from the original #3498db, generate a shade that is 20% darker and a tint that is 20% lighter. List the HEX codes for the complementary color, the 20% darker shade, and the 20% lighter tint.
Navigate to the HTML Color Codes tool. Input '#3498db' into the 'Enter a color:' text input field. Click the 'Complimentary' button. Record the HEX code for the complimentary color. Click the 'Clear' button. Input '#3498db' into the 'Enter a color:' text input field. Click the 'Darken' button twice (each click darkens by 10%). Record the HEX code for the 20% darker shade from the 'Shades and Tints' section. Click the 'Clear' button. Input '#3498db' into the 'Enter a color:' text input field. Click the 'Lighten' button twice (each click lightens by 10%). Record the HEX code for the 20% lighter tint from the 'Shades and Tints' section. State the HEX codes for the complimentary color, the 20% darker shade, and the 20% lighter tint.
The agent successfully enters '#3498db' as the initial color at each necessary step. The agent correctly identifies and states the HEX code for the complimentary color of #3498db. The agent correctly applies the 'Darken' function to get a 20% darker shade and states its HEX code. The agent correctly applies the 'Lighten' function to get a 20% lighter tint and states its HEX code. All three requested HEX codes (complimentary, 20% darker, 20% lighter) are provided accurately in the final answer.