SHOP BY APPLICATION    SHOP BY APPLICATION   
SHOP BY PRODUCT TYPE    SHOP BY PRODUCT TYPE   
SHOP BY COLOR    SHOP BY COLOR   
RESOURCES    RESOURCES   
REACH OUT    REACH OUT   

CRI/Ra TCS spectrum data (CSV/Excel format)

Home /  Blog /  Tech & Color Science /  CRI/Ra TCS spectrum data (CSV/Excel format)
We have published the CRI or Ra TCS (test color sample) spectrum data in 1 nm, 2 nm and 5 nm increments.

There are a total of 8 regular test color samples, and 7 additional special test color samples. These samples are used in the calculation of CRI.

Read more about CRI/Ra test color samples here.





Other Posts

How to calculate the daylight spectrum (D illuminant)

Measuring and characterizing the daylight spectrum can be challenging due to the fact that many factors affect it, including time of day, se...Read More


CRI/Ra test color samples (TCS)

The Color Rendering Index (CRI) is a widely used metric to describe color accuracy and fidelity. It is calculated as an average score on 8 c...Read More


How Do Meanwell HLG LED Power Supplies Work?

If you're working on an LED project, you'll undoubtedly require a power supply. Meanwell HLG series products are frequently recommended as a...Read More


Calculate Illuminant D SPD and CIE 1931 xy from color temperature

Illuminant D can be calculated from color temperature using our online calculator. Simply input the CCT and you will be able to download...Read More


Back to Waveform Lighting Blog

Browse our collection of articles, how-to's and guides on various lighting applications as well as in-depth color science articles.

Browse Waveform Lighting Products


A-Series LED Bulbs

Our A19 and A21 lamps fit in standard lamp fixtures and are perfect for floor and desk lamp fixtures.

Candelabra LED Bulbs

Our candelabra LED bulbs offer soft and warm light output in a decorative bulb style that fits E12 lamp fixtures.

BR30 LED Lamps

BR30 lamps are ceiling lamps that fit in residential and commercial fixtures with 4-inch or wider openings.

T8 LED Lamps

Directly replace 4-ft fluorescent lamps with our T8 LED tube lights, compatible both with and without ballasts.

LED-Ready T8 Fixtures

LED tube light fixtures pre-wired and compatible with our T8 LED lamps.

LED Linear Fixtures

Linear lamp fixtures in 2-ft and 4-ft lengths. Plugs into standard wall outlets nd mounts using screws or magnets.

LED Shop Lights

Overhead light fixtures with hanging chains. Plugs into standard wall outlets.

UV-A LED Lights

We offer 365 nm and 395 nm LED lights for fluorescence and curing applications.

UV-C LED Lights

We offer 270 nm UV-C LED lights for germicidal applications.

LED Modules & Accessories

LED PCBs, panels and other form factors for a variety of industrial and scientific applications.

LED Strip Lights

Bright LED emitters mounted on a flexible circuitboard. Can be cut-to-length and installed in a variety of locations.

LED Strip Dimmers

Dimmers and controllers to adjust LED strip lighting system brightness and color.

LED Strip Power Supplies

Power supply units to convert line voltage to low voltage DC needed for LED strip light systems.

Aluminum Channels

Extruded aluminum channel profiles for mounting LED strip lights.

LED Strip Connectors

Solderless connectors, wires and adapters to join and connect LED strip light system components together.