Left: SED decomposition of the spatially resolved components derived from GALFIT modeling (red, blue, residual), shown as colored points. Solid lines show best-fit EAZY fits, which assume simple stellar population templates. The red component has a steeply rising SED, while the blue component shows a relatively flat rest-frame UV continuum, characteristic of young, unobscured star formation. Right: color–color diagram showing m_F115W − m_F200W vs. m_F277W − m_F444W. The purple diamond shows the total colors of A383-LRD1B from aperture photometry; red and blue diamonds show the decomposed GALFIT components. The pink shaded box indicates the “V-shaped” LRD selection criterion of J. E. Greene et al. (2024). Gray points show UNCOVER DR3 sources at z_phot > 4; pink circles show LRDs from D. D. Kocevski et al. (2025) and J. E. Greene et al. (2024). The pink star indicates synthetic NIRCam colors computed from the NIRSpec/PRISM spectrum of RUBIES-UDS-154183 (“The Cliff”; A. de Graaff et al. 2025b), shifted to z = 6.027 (see text).