How Do Human Eyes Perceive Colors?

prakash sp 23

Brought to you by Odyssey  

March 29, 2023 – April 26, 2023 (5 sessions)  

Wednesdays, 6:00 PM - 8:00 PM ET

Virtual via Zoom


Course Description:

This is a five-week long course that will provide a fundamental understanding of how human eyes perceive different colors. Through online simulations and PowerPoint presentations, participants will learn about primary and secondary colors, the roles played by the eye and brain in interpreting the colors of an object, and the sensitivity of human eyes to the different spectral colors emitted by the Sun. They will gain an understanding of why humans prefer some colors over others, Weekly tasks, such as online assignments, activities, and a short write-up will be assigned. There is no pre-requisite for this course.


Johns Hopkins Tuition Remission & Refund Policies 

50%    Johns Hopkins alumni
80%    Full-time Johns Hopkins faculty or staff
50%    Spouse or domestic partner of full time Johns Hopkins faculty or staff
Johns Hopkins alumni, staff, faculty and their spouse or domestic partners are eligible for tuition remission for Odyssey lifelong learning courses. Select the correct ticket pricing during registration. If we cannot confirm your eligibility, you will be requested to pay the full registration price for the course.

The Johns Hopkins Alumni Association is committed to providing reasonable and appropriate accommodations to participants with disabilities. Participants who need accommodations must notify the Johns Hopkins Alumni Association at at least four weeks prior to the beginning of class.

If a course is canceled or closed, the registrant is notified immediately, and a full refund is processed automatically unless another course is requested. Registrants who wish to withdraw from an active course must complete the online Odyssey Refund Request Form. Attach any documentation to support your request (e.g., medical documentation, family crisis documentation, etc.).

100% refund- Prior to the start of the course.

50% refund- During the first week of the course.

No refunds will be given after the first week of each course unless in exceptional cases.

Please note, refunds apply only to the tuition portion of an Odyssey participant’s charges and are not applicable to any fees or gifts made to the Johns Hopkins Alumni Association. Registrants will be notified by email if a refund is approved  within (5) business days.


ABOUT Manju Prakash

Dr. Prakash holds a doctoral degree from Columbia University, New York and a masters degree from Cornell University, New York. Currently, she is a CTY instructor or Problem Solving Strategies and Amusement Park Physics courses. Her current research areas on interests are astrophysics, cosmology, and Aurora Borealis.

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 Event Date
Wednesday, March 29, 2023
6:00pm EDT

Wednesday, April 26, 2023
8:00pm EDT

1-800-JHU-JHU1 (548-5481)

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Thank you for your interest in Odyssey. This course is now closed. For questions please contact or revisit the website and try something new!