ColorGelsColor PerceptionColor VisionColor Perception TestsUltrasonography, Doppler, ColorColor Vision DefectsHair ColorEye ColorPigmentationElectrophoresis, Gel, Two-DimensionalEchocardiography, Doppler, ColorElectrophoresis, Gel, Pulsed-FieldColorimetryProsthesis ColoringSkin PigmentationElectrophoresis, Agar GelLightingPhotic StimulationRetinal Cone Photoreceptor CellsFeathersContrast SensitivityMolecular Sequence DataPigments, BiologicalPsychophysicsReceptor, Melanocortin, Type 1ButterfliesSpectrophotometryAnthocyaninsPhotographyBase SequenceLightRetinal PigmentsPattern Recognition, VisualMeatSensory ThresholdsFood PackagingAcrylic ResinsSensitivity and SpecificityAmino Acid SequenceDiscrimination (Psychology)Food Coloring AgentsBlood Flow VelocityDental PolishingTime FactorsAdaptation, OcularKineticsIsoelectric FocusingVaginal Creams, Foams, and JelliesElectrophoresisHydrogen-Ion ConcentrationForm PerceptionAgouti Signaling ProteinMelaninsFlowersReproducibility of ResultsDenaturing Gradient Gel ElectrophoresisTooth DiscolorationPhenotypeMaterials TestingFood TechnologyTemperatureSpecies SpecificityOpsinsAttentionVisual PerceptionUltrasonography, Doppler, PulsedDental MaterialsImmersionOptical IllusionsNatureColoring AgentsVisual CortexComposite ResinsCuesDNA, BacterialEscherichia coliDNAMotion PerceptionMutationReaction TimeAfterimageImage Processing, Computer-AssistedBacterial ProteinsSurface PropertiesSequence Analysis, DNABeesSwineChromatography, High Pressure LiquidCichlidsPolymerase Chain ReactionVisual PathwaysMaxillofacial ProsthesisPhylogenySilicone GelsRabbitsFundus OculiCloning, MolecularRod OpsinsSubstrate Specificity