Post on 30-Apr-2020
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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
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ValueandGrids
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ValueandGrids
ValueandGrids