Here’s Keystone Gray SW 7504 by Sherwin-Williams in context of its Hue Family neighborhood, 10 YR (Yellow-Red), on The Color Strategist Color Wheel. The pink arrows point to where Keystone Gray SW 7504 fits in among the other colors according to its Value 6.07 rounded to 6.12 and Chroma of 1.29 rounded to 1.25.