red (ISCC-NBS level 2) red deep red A color whose Munsell hue, value, and chroma fall within ISCC-NBS color-name block 13 (deep red), for which the published central prototype is 5.0R 2.8/9.9. deep R H 1R-9R; V [2, 3.5]; C [9, 11] 13 Requested for FLOPO; corresponding temporary class: FLOPO_0980272. PATO:0104189 quality 2026-07-11T18:39:19Z 13 3 5.0R 2.8/9.9 interior deep-red brilliant deep red