The contrast is more apparent when the two are juxtaposed. The Pearl Crescent is overall more orange and lacks the white centers in the submarginal black spots on the hindwing. The Silvery Checkerspot has a distinctive black patch on the leading edge of the dorsal center of the forewing.

So which of the two is
this?

Back. to Silvery Checkerspot.

Back. to Pearl Crescent.