ColorColor PerceptionSkinColor VisionColor Perception TestsUltrasonography, Doppler, ColorHair ColorColor Vision DefectsSkin AgingSkin DiseasesSkin NeoplasmsSkin PigmentationEye ColorPigmentationSkin Physiological PhenomenaSkin TestsSkin AbsorptionEchocardiography, Doppler, ColorSkin, ArtificialColorimetryProsthesis ColoringLightingSkin Diseases, BacterialSkin UlcerFeathersEpidermisPhotic StimulationRetinal Cone Photoreceptor CellsContrast SensitivitySkin AbnormalitiesReceptor, Melanocortin, Type 1Ultraviolet RaysStaphylococcal Skin InfectionsPigments, BiologicalPsychophysicsMelaninsDermatitisPhotographyAnthocyaninsDermatologic Surgical ProceduresButterfliesSkin Diseases, ViralCarcinoma, Basal CellSkin CreamLightTime FactorsErythemaSkin Physiological ProcessesHairSunlightMice, HairlessSensory ThresholdsPattern Recognition, VisualRetinal PigmentsDermisAdministration, CutaneousBlood Flow VelocitySensitivity and SpecificitySpectrophotometryAdministration, TopicalMeatPigmentation DisordersFood PackagingFood Coloring AgentsDiscrimination (Psychology)Agouti Signaling ProteinDental PolishingAdaptation, OcularDermoscopySkin Diseases, ParasiticPhenotypePapillomaSunburnForm PerceptionReproducibility of ResultsWound HealingMelanocytesKeratosisFlowersImmersionSunscreening AgentsOpsinsTooth DiscolorationHair FollicleAttentionVisual PerceptionFood TechnologyFibroblastsUltrasonography, Doppler, PulsedCosmeticsRegional Blood FlowImage Processing, Computer-AssistedMelanomaChromatophoresReaction TimeCuesDental MaterialsOptical IllusionsNatureVisual Cortex