Use the free online Accessible Colors Tool to evaluate your color combination using the WCAG 2.0 guidelines for contrast accessibility.
If your combination does not meet the guidelines, the tool suggests the closest accessible combination by modifying the color lightness.
WEBSITE ACCESSIBILITY TESTING & REMEDIATION SERVICES: Mary Gillen is an experienced Website Accessibility Compliance Auditor and Remediator. She can test your website to determine if it meets accessibility standards:
WCAG 2.1: 312 checkpoints covering A, AA and AAA W3 accessibility guidelines
Section 508: 15 US federal guidelines covered by 59 accessibility checkpoints