# Color-difference formula for evaluating color pairs with no separation: ΔE<sub>NS</sub>

> Research article (Journal of the Optical Society of America A, 2019) · cited 28× · AI/ML

**Wikidata**: [openalex:W2939243712](https://www.wikidata.org/wiki/openalex:W2939243712)  
**Source**: https://4ort.xyz/entity/color-difference-formula-for-evaluating-color-pairs-with-no-separation-e-sub-ns-sub