ElementsofDesign:ValueClaudiaJacquesdeMoraesCardoso2DDesign–Art112

Value

§  Valueinartistherela:vedegreeoflightanddark.§  Itisonlybecauseofchangesbetweenlightanddarkthatcan

weseethings.§  Lightrevealsformandisessen:altoourpercep:onofvalue

andcolor.§  ValueisanElementofDesign.

CharlesWhite,HaveaDream,1976,Lithograph,22x30inches,PublishedbyLosAngelesCountyMuseumofArt

Value

§  Valueinartistherela:vedegreeoflightanddark.

§  Itisonlybecauseofchangesbetweenlightanddarkthatcanweseethings.

§  Lightrevealsformandisessen:altoourpercep:onofvalueandcolor.

§  ValueisanElementofDesign.

§  ValueisalsoaPropertyofColor.

Value

§  Achroma6cGraysrefertograysthatcontainnocolor,justshadesofgray.

hRp://www.atpm.com/9.07/images/design-defini:ons.gif

ValueRange

§  Thelightestanddarkestareasofvalueinapar:cularwork.§  Afullrangeofvaluesextendsfromwhitethroughinfinite

shadesorgrada:onsofgrays,allthewaytoblack.

SourceofLight

•  ActualLight=thelightweseearoundusateveryturn.–  Source:sun,incandescentandfluorescentbulbs,fire,streetlamps,

television,computerscreens,etc.–  3Dmediaandarchitecture.

•  IllusionofLight=whatweseeaslightinmost2Dart.–  Source:

Representa:onalimage:sun,fire,etc.Non-representa:onalimage:outsidethepicturebutitseffectscanbeclearlyseen.

LocalValueLocalValue=actual,notilluminatedvalueofasurface.Determinedby:

–  Materialmadeoforcoatedfromwhichtheobjectismadeorthematerialwithwhichitiscoated(painted).

–  Howmaterialorcoa:ngreflectsorabsorblight.

EX:thevanillaicecreamhasahighlocalvalueandthechocolatesyruphasaverylowlocalvalue.

ValueContrast

§  Contrastisthedifferenceintheamountofvalues.§  ValueContrastdefinestherela:onshipbetweendifferent

areasofdarkandlight.§  Theaveragehumancansee40differentvaria:oninvalue

(shadesofgray.)§  Thenarrowertherangeofvalues,thelowerthevalue

contrast.§  Thetermlow-valuecanbeusedtotalkaboutthecontrast

betweenanytwoareasnexttoeachotherwithnarrowvaluerange.

ValueContrast

LowContrastHighKey:Acomposi:onthatpredominantlycontainshighvalues(mid-graytowhite).LowKey:Acomposi:onthatpredominantlycontainslowvalues(mid-graytoblack).

HighContrast:AvalueschemewhichisdominatedbyvaluesfromtheendsofthevaluescaleandwithliRleornomid-rangegrays.Theextremeofthiswouldbeastrictlyblackandwhitecomposi:on.

white mid-gray black

highkeyvalues low-keyvalues

ValueContrastLow/NarrowValueContrast§  Slightvaria:onbetweenvalues.§  SubtleandSobappearance.

High/BroadValueContrast§  Largevaria:onbetweenvalues.

§  Juxtaposi:onofbrightwhitesanddarkblacks.

§  Drama:cappearance.

NarrowValueContrast:HighKey§  Whentherangeislimitedtolightvaluesitisreferredtoashighkey.§  Createasubtle(andobencalming)feeling.§  OverallLightness.§  Non-threatening,medita:ve,airy.

EdTarpeningFaintSunset(BuenaVistaPark)

NarrowValueContrast:LowKey

§  Alimitedrangeofdarkvaluesiscalledlowkey.§  OverallDarkness§  •Mysterious,drama:c,aggressive,etc.

KarenPhipps-hRp://3.bp.blogspot.com/_OQ-bzKIYoKw/SyJwwx6vc-I/AAAAAAAABaE/kV_N86uGoNk/s1600-h/low-key.gif

ValueasEmphasis§  Valueaddemphasisasareasofhighcontrastwillstandoutinareasof

lowcontrast.§  ValueEmphasis-Useofahighcontrastbetweenvaluescandrawthe

viewer’saRen:on.§  Emphasizeacharacterorfeature.§  Createafocalpoint.

BenedeRoLu:Renoir

ValueandSpace§  Valuecanbeusedtomakea2Dshapeappearvolumetric

throughgrada:onsoflightanddark.§  Areaswithhighvaluecontrastcomeforward.§  Areaswithlowvaluecontrastrecedeintothedistance.

ValueandSpaceChiaroscuro=useofvaluetocreatetheillusionofactuallightandshadowona3Dform,ona2Dsurface.Italian:chiaro(light)andscuro(dark)“light/dark”Suggestthevolumeandmodelingofthesubjectsbyusingonlyhighcontrastvaluewithoutanylinesoutliningtheforms.Renaissance.

GiovanniBaglione.SacredandProfaneLove.1602–1603,showingdrama:ccomposi:onalchiaroscuro

ValueandSpaceTenebrism=exaggeratedchiaroscuro.Italian:tenebroso="thedarkmanner"tenebrae=darkness

•  Darkshadows•  Abruptvaluechanges•  Brighthighlights.•  LiRlemid-rangegray

ChristwithSt.JosephintheCarpenter'sShop,c.1640GeorgesdeLaTour(French,1593-1652)Canvas

H1.37m;W1.02mRF1948-27LouvrehRp://www.louvre.fr/

ValueandSpaceAtmosphericPerspec6ve=illusionofspa:aldistancebylighterandmiddlerangevalues.Thedegreeofcontrastbetweentwovaluesinthedistanceappearslessthattheywouldappearifseenfromacloservantage(bothblackandwhiteappeargrayerfromadistance).

Value§  Thelightvaluesofhighkey

imagesconveythesenseofhappinessandlightness,mid-rangevaluesevokesadnessanddepression,andthedarkvaluesoflowkeyimagescreatefeelingsoffearandmystery.

§  Intermsofvisualweight,darkervaluesfeelheavierthanlightervalues.

MianSitu-hRp://miansitu.net/36/lp_278/skin_/fs_/lg_en/pg_ar:st-ar:stcollec:ons.html

ValueandGrids

ChuckClose

ValueandGrids

ChuckClose

ValueandGrids

ValueandGrids