Take a Simple Color Blindness Test Online
Color Blindness Test by Solvioza uses original colored-dot plates with hidden numbers and simple shapes. Each attempt asks what you can identify and gives a cautious result summary at the end.
Use it as a quick online color vision check for red-green screening patterns, blue-yellow screening patterns, or general color perception awareness. The test runs in your browser and does not require an account. The online color blindness test guide explains the screening process and its limitations.
Color Blindness Test Overview
This summary describes the test format, plate groups, privacy, and medical status before you begin.
| Tool type | Online color blindness test and color vision screening activity |
|---|---|
| Test length | 15 colored-dot plates per attempt |
| Plate types | Numbers and simple shapes such as circle, triangle, square, star, diamond, and heart |
| Screening groups | Control, red-green screening, and blue-yellow screening plates |
| Privacy | Runs in the browser without saving or uploading your answers |
| Medical status | General screening only, not a medical diagnosis |
How the Online Color Blindness Test Works
The tool shows one colored-dot plate at a time. Some plates contain a number, and some contain a simple shape. For number plates, enter the number you see. For shape plates, choose the matching shape from the dropdown. If you cannot identify the plate, select Not sure.
- Start the test after reading the short preparation guidance.
- Look directly at each colored-dot plate.
- Enter the number or choose the shape you can identify.
- Move through all 15 questions at your own pace.
- Review a simple result summary after the final plate.
The test does not reveal correct answers during the attempt or on the result screen, which helps keep retakes more useful. See the number and shape plate examples guide for more context about the plate formats without exposing the active test answers.
How to Interpret the Screening Result
The result summarizes how many plates were identified and whether missed answers appear more often in one screening group than another. The wording is intentionally cautious because an online color blindness test cannot confirm a color vision condition or distinguish a clinical subtype.
- No obvious color-vision difficulty detected means your responses did not show a clear difficulty pattern in this short screening.
- Possible red-green color-vision difficulty means multiple red-green screening plates were missed.
- Possible blue-yellow color-vision difficulty means multiple blue-yellow screening plates were missed, so the result should be read as a screening pattern only.
- Possible color-vision difficulty detected means both screening groups showed missed plates.
- Inconclusive result may appear if the control plate was not identified.
Red-Green and Blue-Yellow Screening Patterns
Many people search for a red-green color blindness test because red-green color vision differences are commonly discussed. Red-green difficulty can affect how some reds, greens, browns, oranges, and muted tones appear. Solvioza includes red-green screening plates to look for missed-answer patterns in that color range.
The tool also includes blue-yellow screening plates, but this should not be read as a clinical subtype check. The result keeps red-green and blue-yellow plate groups separate only to describe where missed responses occurred in this screening activity.
Color Blindness Test Plate Selection
Each attempt uses 15 plates selected from a larger local library of original Solvioza colored-dot plates. The selection includes one control plate, red-green screening plates, and blue-yellow screening plates. The plate order is randomized while keeping the control plate near the beginning.
| Plate group | Purpose | Shown per attempt |
|---|---|---|
| Control | Checks whether the plate can be identified under normal conditions | 1 |
| Red-green | Screens for possible red-green color vision difficulty | 9 |
| Blue-yellow | Looks for missed responses on blue-yellow screening plates | 5 |
The control plate matters because display settings, brightness, viewing angle, or misunderstanding the task can affect the result. If the control plate is missed, the tool does not classify a color-vision category.
Before You Take the Color Vision Test
Online color perception depends heavily on your screen and environment. For a more consistent screening experience, prepare your display before starting.
- Use a normally lit room rather than a very dark or very bright space.
- Set your screen to comfortable brightness.
- Disable Night Light, blue-light filters, grayscale mode, and color-enhancing filters.
- Look at the screen directly instead of from a sharp angle.
- Avoid taking the test through tinted glasses or display filters.
How Screen Settings Can Affect the Result
A browser-based color vision test depends on how your device displays color. Two people may see the same plate differently if one screen is dim, heavily color-adjusted, poorly calibrated, or viewed from an angle. Phone displays, laptop screens, external monitors, and tablet screens can all vary.
If the result surprises you, try again with better lighting and display filters disabled. If the same kind of result appears repeatedly, it may be worth discussing with an eye-care professional.
Who May Find This Screening Tool Useful
This tool can help anyone who wants a quick color perception awareness activity, including designers, developers, students, and people who are simply curious about how color can be perceived differently. It is also useful as a reminder that color should not be the only way important information is communicated. For interface readability, use the separate Color Contrast Checker and the WCAG color contrast guide; those resources evaluate color pairs, not a person's color vision.
- Designers can remember to combine color with labels, icons, and patterns.
- Developers can think about charts, alerts, buttons, dashboards, and form states.
- Teachers or parents can use it for general awareness, while leaving any concern about a child's vision to an eye-care professional.
- Individuals can decide whether they want to seek a validated color vision exam.
When the task is identifying a digital color rather than screening vision, sample it with the Screen Color Picker or Image Color Picker, then use the Color Name Finder and HEX color-name guide for a readable label.
Private Browser-Based Color Vision Screening
The Color Blindness Test runs in your browser. Your answers are used to calculate the result shown on the page during the current session. The tool does not require an account or submit individual answers to Solvioza.
You can retake the test without refreshing the page, and each new attempt can use a different balanced selection of plates.
Medical Limitations of Online Color Vision Screening
This online test is for general screening only. It cannot diagnose color blindness. Screen quality, brightness, display settings, and viewing conditions can affect the result. Consult an eye-care professional if you are concerned about your color vision.
The plates used by Solvioza are original educational screening graphics. They are not official Ishihara plates, are not copied from commercial test books, and are not clinically validated. Do not use the result for employment, licensing, medical decisions, or formal accessibility accommodations without professional testing.

