The best alternatives to Coolors are Colorbox by Lyft, Huemint, and Scheme Color. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Coolors ?
NVIDIA Inception for Startups— Accelerate your startup with NVIDIA. Learn more and Apply.
Color Spark is a Figma plugin that allows designers to apply a colour scheme to their design prototypes in seconds. Focus on your design, make it stunning, and stop wasting time.