IPA: /ˌmɛtəˈmɛrɪkli/
KK: /mɛtəˈmɛrɪkli/
In a way that relates to metamerism, which is the phenomenon where two colors appear the same under certain lighting conditions but are different under others.
The colors of the fabric changed metamerically when viewed under different types of light.
Metamerically → It is formed from "meta-" (meaning change or beyond) and "meros" (from Greek, meaning part). The word describes something that relates to or involves a change in parts or segments.
Think of 'meta-' meaning change and 'meros' meaning part — this helps you remember that 'metamerically' refers to a change in parts or segments.