diff --git a/src/charts/shape.js b/src/charts/shape.js
index c82c49d..ee9a10d 100644
--- a/src/charts/shape.js
+++ b/src/charts/shape.js
@@ -1,7 +1,7 @@
 // noinspection JSPotentiallyInvalidUsageOfThis
 
 import {invokeCallback, mixin} from "@/common.js";
-import {chart, createShape, deleteShapeId, dragging, draggingShapeIds, drawShape} from "@/charts/chart.js";
+import {chart, createShape, deleteShapeId, dragging, draggingShapeIds, drawShape, widget} from "@/charts/chart.js";
 
 
 //
@@ -30,7 +30,7 @@ export const ShapeType = {
     Ray: {name: 'Ray', code: 'ray'},
     Line: {name: 'Extended Line', code: 'extended'},
     HRay: {name: 'Horizontal Ray', code: 'horizontal_ray'},
-    HLine: {name: 'Horizontal Line', code: 'horizontal_line'},
+    HLine: {name: 'Horizontal Line', code: 'horizontal_line', drawingProp: 'linetoolhorzline'},
     VLine: {name: 'Vertical Line', code: 'vertical_line'},
     PriceRange: {name: 'Price Range', code: 'price_range'},
 }
@@ -44,7 +44,7 @@ class Shape {
         this.model = model  // subclass-specific
         this.points = null
         this.points = this.pointsFromModel()
-        console.log('construct points', this.points)
+        // console.log('construct points', this.points)
         this.props = props === null ? this.propsFromModel() : mixin(props, this.propsFromModel())
         if (onModel !== null)
             this.onModel = onModel
@@ -59,12 +59,26 @@ class Shape {
 
     draw() {
         // have the user draw this shape
-        console.log(`draw ${this.type.name}`)
+        console.log(`draw ${this.type.name}`, this.model)
         if (this.id)
             throw Error(`Shape already exists ${this.id}`)
+        const or = this.drawingOverrides();
+        // console.log('drawing overrides', or)
+        widget.applyOverrides(or)
         drawShape(this.type, new ShapeTVCallbacks(this))
     }
 
+    // return an object with property defaults, e.g. { "linetoolhorzline.linecolor": "#7f11e0" }
+    // https://www.tradingview.com/charting-library-docs/latest/api/modules/Charting_Library#drawingoverrides
+    drawingOverrides() {
+        if (this.model.color===null) return null
+        const o = {}
+        const p = this.type.drawingProp
+        o[p+".linecolor"] = this.model.color
+        o[p+".textcolor"] = this.model.color
+        return o
+    }
+
     create() {
         if (this.id !== null) return
         // programatically create the shape using the current this.points
@@ -257,6 +271,7 @@ class ShapeTVCallbacks {
 
     constructor(shape) {
         this.shape = shape
+        this.creating = false
     }
 
     onCreate(shapeId, _tvShape, points, props) {
@@ -264,6 +279,7 @@ class ShapeTVCallbacks {
             throw Error(`Created a shape ${shapeId} where one already existed ${this.shape.id}`)
         this.shape.id = shapeId
         if( this.shape.lock ) return
+        this.creating = true
         invokeCallback(this.shape, 'onCreate', points, props)
     }
 
@@ -274,6 +290,11 @@ class ShapeTVCallbacks {
     }
 
     onProps(shapeId, _tvShape, props) {
+        // console.log('onProps', props)
+        if (this.creating) {
+            this.creating = false
+            return
+        }
         this.shape.props = props
         this.shape.onProps(props)
         this.shape.onDirtyModel(this.shape.propsToModel)
@@ -353,7 +374,6 @@ export class HLine extends Shape {
 
     propsToModel() {this.model.color=this.props.linecolor}
 
-
     onDrag(points) {
         const s = this.tvShape();
         console.log('shape', s)
diff --git a/src/components/chart/ChartOrder.vue b/src/components/chart/ChartOrder.vue
index 92e6730..fc06789 100644
--- a/src/components/chart/ChartOrder.vue
+++ b/src/components/chart/ChartOrder.vue
@@ -9,7 +9,7 @@
                     :label="order.amountIsTokenA ? 'Amount':('Value in '+co.selectedSymbol.quote.s)"
       >
         <template v-slot:prepend>
-          <v-btn variant="tonal" :color="color" class="ml-3"
+          <v-btn variant="outlined" :color="color" class="ml-3"
               :text="(order.buy ? 'Buy ' : 'Sell ') + co.selectedSymbol.base.s"
               @click="order.buy=!order.buy"/>
         </template>
@@ -50,6 +50,7 @@ import {lightenColor, lightenColor2} from "@/misc.js";
 import {useTheme} from "vuetify";
 import RowBar from "@/components/chart/RowBar.vue";
 import ColorBand from "@/components/chart/ColorBand.vue";
+import Color from "color";
 
 const props = defineProps(['order'])
 const co = useChartOrderStore()
@@ -66,7 +67,7 @@ function builders(order) {
 }
 
 const theme = useTheme().current
-const color = computed(()=>props.order.buy?theme.value.colors.success:theme.value.colors.error)
+const color = computed(()=>new Color(props.order.buy?theme.value.colors.success:theme.value.colors.error).darken(0.2).string())
 const lightColor = computed(() => lightenColor(color.value))
 const faintColor = computed(() => lightenColor2(color.value))
 const colorStyle = computed(() => { return {'color': color.value} })
diff --git a/src/components/chart/ChartOrderPane.vue b/src/components/chart/ChartOrderPane.vue
index ebead7b..8c63e5f 100644
--- a/src/components/chart/ChartOrderPane.vue
+++ b/src/components/chart/ChartOrderPane.vue
@@ -1,18 +1,10 @@
 <template>
   <div class="d-flex flex-column h-100">
-  <div class="d-flex mb-1">
-    <span class="arrow align-self-start"><v-icon icon="mdi-arrow-up-bold" color="green"/></span>
-    <span class="logo">dexorder</span>
-    <v-chip text="ALPHA" size='x-small' color="red" class="align-self-start pr-6" variant="text"/>
-    <v-btn variant="flat" prepend-icon="mdi-plus" @click="co.newOrder" v-if="co.orders.length===0">New Order</v-btn>
-<!--    <v-btn variant="flat" prepend-icon="mdi-question" @click="build('Test')">Test</v-btn>-->
-    <v-btn variant="tonal" prepend-icon="mdi-send" :color="orderColor" v-if="co.orders.length>0">Place Order</v-btn>
-    <v-btn variant="text" prepend-icon="mdi-cancel" v-if="co.orders.length>0" @click="cancelOrder">Cancel</v-btn>
-
-    <div class="w-100 d-flex justify-end">
-      <v-btn variant="text" icon="mdi-safe-square" color="grey-darken-2" text="Vault" @click="$router.push('/vault')"></v-btn>
-      <v-btn variant="text" icon="mdi-information-outline" text="Order Status" @click="$router.push('/orders')"></v-btn>
-    </div>
+    <toolbar>
+      <v-btn variant="flat" prepend-icon="mdi-plus" @click="co.newOrder" v-if="co.orders.length===0">New Order</v-btn>
+      <v-btn variant="text" prepend-icon="mdi-send" :color="orderColor" v-if="co.orders.length>0">Place Order</v-btn>
+      <v-btn variant="flat" prepend-icon="mdi-cancel" v-if="co.orders.length>0" @click="cancelOrder">Cancel</v-btn>
+    </toolbar>
     <v-dialog v-model="showCancel" max-width="300">
       <v-card title="Cancel Order?" text="Do you want to cancel this order and create a new one?">
         <v-card-actions>
@@ -22,7 +14,6 @@
         </v-card-actions>
       </v-card>
     </v-dialog>
-  </div>
   <!--    <div v-for="b in co.builderList">{{JSON.stringify(b)}}</div>-->
     <div class="overflow-y-auto">
         <template v-for="o in co.orders">
@@ -41,6 +32,7 @@ import {useOrderStore, useStore} from "@/store/store.js";
 import {routeFinder} from "@/blockchain/route.js";
 import ChartOrder from "@/components/chart/ChartOrder.vue";
 import {useTheme} from "vuetify";
+import Toolbar from "@/components/chart/Toolbar.vue";
 
 const s = useStore()
 const co = useChartOrderStore()
diff --git a/src/components/chart/ColorBand.vue b/src/components/chart/ColorBand.vue
index eea28ef..f8f5a7e 100644
--- a/src/components/chart/ColorBand.vue
+++ b/src/components/chart/ColorBand.vue
@@ -7,7 +7,6 @@ import {computed} from "vue";
 
 const props = defineProps(['color'])
 const computedStyle = computed(() => {
-  console.log('computing bar color')
   return {
     'background-color': props.color,
     'border-color': props.color,
diff --git a/src/components/chart/LimitBuilder.vue b/src/components/chart/LimitBuilder.vue
index 43d3b94..f15c5e1 100644
--- a/src/components/chart/LimitBuilder.vue
+++ b/src/components/chart/LimitBuilder.vue
@@ -65,7 +65,7 @@ import {chart} from "@/charts/chart.js";
 import {useChartOrderStore} from "@/orderbuild.js";
 import Color from "color";
 import {HLine} from "@/charts/shape.js";
-import {builderDefaults, lightenColor2} from "@/misc.js";
+import {builderDefaults, lightenColor2, lineColor} from "@/misc.js";
 import {useTheme} from "vuetify";
 import {useOrderStore} from "@/store/store.js";
 import RowBar from "@/components/chart/RowBar.vue";
@@ -77,6 +77,12 @@ const theme = useTheme().current
 const props = defineProps(['order', 'builder'])
 const emit = defineEmits(['update:builder'])
 
+function computeDefaultColor() {
+  const index = props.order.builders.indexOf(props.builder)
+  return lineColor(props.order.buy, index)
+}
+
+const defaultColor = computeDefaultColor()
 
 // Fields must be defined in order to be reactive
 builderDefaults(props, emit, {
@@ -87,7 +93,7 @@ builderDefaults(props, emit, {
   priceB: null,
   rungs: 1,
   skew: 0,
-  color: null,
+  color: defaultColor,
 })
 
 const skew100 = computed( {
@@ -106,7 +112,7 @@ const lineAPrice = computed({
 })
 
 const lineA = new HLine(
-    {price:null,color:null},
+    {price:null,color:defaultColor},
     function (line) {props.builder.priceA = line.price; props.builder.color = line.color; adjustShapes()},
     deleteBuilder
 )
@@ -120,7 +126,7 @@ const lineBPrice = computed({
 })
 
 const lineB = new HLine(
-    {price:null,color:null},
+    {price:null,color:props.builder.color.value},
     (line)=>{props.builder.priceB = line.price; props.builder.color = line.color; adjustShapes()},
     deleteBuilder
 )
diff --git a/src/components/chart/MarketBuilder.vue b/src/components/chart/MarketBuilder.vue
index c5f4ed6..4ca9072 100644
--- a/src/components/chart/MarketBuilder.vue
+++ b/src/components/chart/MarketBuilder.vue
@@ -1,5 +1,5 @@
 <template>
-    <v-sheet dense class="d-flex align-content-stretch" style="overflow-y: hidden; background-color: inherit !important;">
+    <row-bar :color="builder.color">
       <div class="bg-grey-lighten-1" style="width:1em">&nbsp;</div>
       <div style="min-width: 3em; font-size: larger" class="align-self-start ma-3">Market Order</div>
       <div>
@@ -12,7 +12,7 @@
           <template v-slot:append-inner>%</template>
         </v-text-field>
       </div>
-    </v-sheet>
+    </row-bar>
 </template>
 
 <script setup>
@@ -20,6 +20,7 @@ import {useChartOrderStore} from "@/orderbuild.js";
 import {builderDefaults} from "@/misc.js";
 import {useOrderStore} from "@/store/store.js";
 import {computed} from "vue";
+import RowBar from "@/components/chart/RowBar.vue";
 
 const co = useChartOrderStore()
 const props = defineProps(['order', 'builder'])
diff --git a/src/components/chart/RowBar.vue b/src/components/chart/RowBar.vue
index 3076e80..61390c7 100644
--- a/src/components/chart/RowBar.vue
+++ b/src/components/chart/RowBar.vue
@@ -12,9 +12,8 @@ import {computed} from "vue";
 import {lightenColor2} from "@/misc.js";
 
 const props = defineProps(['color'])
-const faintColor = computed(() => lightenColor2(props.color))
+const faintColor = computed(() => lightenColor2(props.color,.70))
 const computedStyle = computed(() => {
-  console.log('computing bar color')
   return {
     'background-color': props.color,
     'border-color': props.color,
diff --git a/src/components/chart/Toolbar.vue b/src/components/chart/Toolbar.vue
index 9df84d6..95bfa0e 100644
--- a/src/components/chart/Toolbar.vue
+++ b/src/components/chart/Toolbar.vue
@@ -1,28 +1,14 @@
 <template>
   <div class="d-flex mb-1">
-    <span class="arrow align-self-start"><v-icon icon="mdi-arrow-up-bold" color="green"/></span>
+    <span class="arrow align-self-start"><v-icon icon="mdi-arrow-up-bold" :color="theme.colors.success"/></span>
     <span class="logo">dexorder</span>
     <v-chip text="ALPHA" size='x-small' color="red" class="align-self-start pr-6" variant="text"/>
-    <v-btn variant="flat" prepend-icon="mdi-plus" @click="co.newOrder" v-if="co.orders.length===0">New Order</v-btn>
-<!--    <v-btn variant="flat" prepend-icon="mdi-question" @click="build('Test')">Test</v-btn>-->
-    <v-btn variant="tonal" prepend-icon="mdi-send" :color="orderColor" v-if="co.orders.length>0">Place Order</v-btn>
-    <v-btn variant="text" prepend-icon="mdi-cancel" v-if="co.orders.length>0" @click="cancelOrder">Cancel</v-btn>
-
+    <slot/>
     <div class="w-100 d-flex justify-end">
       <v-btn variant="text" icon="mdi-safe-square" color="grey-darken-2" text="Vault" @click="$router.push('/vault')"></v-btn>
       <v-btn variant="text" icon="mdi-information-outline" text="Order Status" @click="$router.push('/orders')"></v-btn>
     </div>
-    <v-dialog v-model="showCancel" max-width="300">
-      <v-card title="Cancel Order?" text="Do you want to cancel this order and create a new one?">
-        <v-card-actions>
-          <v-spacer/>
-          <v-btn @click="()=>showCancel=false">Keep Existing</v-btn>
-          <v-btn @click="()=>{co.orders.shift(); showCancel=false}" color="red">Cancel Order</v-btn>
-        </v-card-actions>
-      </v-card>
-    </v-dialog>
   </div>
-
 </template>
 
 <script setup>
@@ -40,7 +26,6 @@ const co = useChartOrderStore()
 const showCancel = ref(false)
 
 const theme = useTheme().current
-const orderColor = computed(()=>co.orders.length===0?null : co.orders[0].buy ? theme.value.colors.success:theme.value.colors.error)
 
 function cancelOrder() {
   showCancel.value = true
diff --git a/src/misc.js b/src/misc.js
index 26c98f5..8c6a5ef 100644
--- a/src/misc.js
+++ b/src/misc.js
@@ -4,7 +4,7 @@ import {token} from "@/blockchain/token.js";
 import Color from "color";
 
 export class SingletonCoroutine {
-    constructor(f, delay=10, retry=true) {
+    constructor(f, delay = 10) {
         this.f = f
         this.delay = delay
         this.timeout = null
@@ -18,24 +18,22 @@ export class SingletonCoroutine {
     invoke(/*arguments*/) {
         this.args = arguments
         // console.log('invoke', arguments)
-        if( this.timeout === null )
+        if (this.timeout === null)
+            // noinspection JSCheckFunctionSignatures
             this.timeout = setTimeout(this.onTimeout, this.delay, this)
     }
 
     async onTimeout(self) {
         try {
             await self.f(...self.args)
-        }
-        catch (e) {
-            if( self.retry ) {
+        } catch (e) {
+            if (self.retry) {
                 console.log('retrying', this.f, 'due to error', e)
                 self.timeout = null
                 self.invoke(self.args)
-            }
-            else
+            } else
                 console.error(e)
-        }
-        finally {
+        } finally {
             self.timeout = null
         }
     }
@@ -52,11 +50,11 @@ export const uint32max = 4294967295n
 export const uint64max = 18446744073709551615n
 
 export function tokenNumber(token, balance) {
-    return FixedNumber.fromValue(balance, token.decimals, {decimals:token.decimals, width: 256})
+    return FixedNumber.fromValue(balance, token.decimals, {decimals: token.decimals, width: 256})
 }
 
 export function tokenFloat(token, balance) {
-    return tokenNumber(token,balance).toUnsafeFloat()
+    return tokenNumber(token, balance).toUnsafeFloat()
 }
 
 export function routeInverted(route) {
@@ -65,27 +63,28 @@ export function routeInverted(route) {
 }
 
 export function intervalString(seconds) {
-    if( seconds < 1 )
+    if (seconds < 1)
         return 'now'
-    else if( seconds < 60 )
+    else if (seconds < 60)
         return `${seconds} seconds`
-    else if( seconds < 3600 )
-        return `${(seconds/60).toFixed(1)} minutes`
-    else if( seconds < 86400 )
-        return `${(seconds/3600).toFixed(1)} hours`
+    else if (seconds < 3600)
+        return `${(seconds / 60).toFixed(1)} minutes`
+    else if (seconds < 86400)
+        return `${(seconds / 3600).toFixed(1)} hours`
     else
-        return `${(seconds/86400).toFixed(1)} days`
+        return `${(seconds / 86400).toFixed(1)} days`
 }
 
-const _dateFormat = new Intl.DateTimeFormat( undefined, {dateStyle: 'medium', timeStyle: 'short'})
+const _dateFormat = new Intl.DateTimeFormat(undefined, {dateStyle: 'medium', timeStyle: 'short'})
+
 export function dateString(seconds) {
-    const date = new Date(seconds*1000)
+    const date = new Date(seconds * 1000)
     return _dateFormat.format(date)
 }
 
 
-export function timestamp(date=null) {
-    if(date===null)
+export function timestamp(date = null) {
+    if (date === null)
         date = new Date()
     return Math.round(date.getTime() / 1000)
 }
@@ -101,30 +100,30 @@ export function pairKey(tokenA, tokenB) {
 export function pairPriceAddr(baseTokenAddr, quoteTokenAddr, price) {
     const baseToken = token(baseTokenAddr)
     const quoteToken = token(quoteTokenAddr)
-    if( !baseToken || !quoteToken )
+    if (!baseToken || !quoteToken)
         return null
     return pairPrice(baseToken, quoteToken, price)
 }
 
 
-export function pairPrice(baseToken, quoteToken, price, decimals=null) {
-    if( price === null || price === undefined )
+export function pairPrice(baseToken, quoteToken, price, decimals = null) {
+    if (price === null || price === undefined)
         return price
-    if( decimals === null )
-        decimals = baseToken.decimals-quoteToken.decimals
+    if (decimals === null)
+        decimals = baseToken.decimals - quoteToken.decimals
     console.log('pairPrice', baseToken, quoteToken, price, decimals)
-    if( decimals >= 0 )
+    if (decimals >= 0)
         price /= 10 ** decimals
     else
         price *= 10 ** -decimals
     const invertedKey = pairKey(baseToken, quoteToken);
     const prefs = usePrefStore()
-    if( !(invertedKey in prefs.inverted) ) {
+    if (!(invertedKey in prefs.inverted)) {
         // todo prefer stablecoins as the quote asset
         prefs.inverted[invertedKey] = false
     }
-    if( prefs.inverted[invertedKey] )
-        price = 1/price
+    if (prefs.inverted[invertedKey])
+        price = 1 / price
     return price
 }
 
@@ -145,10 +144,34 @@ export function uuid() {
     return crypto.randomUUID();
 }
 
-export function lightenColor(color, lightness=85) {
-    return new Color(color).hsl().lightness(lightness).string()
+export function lightenColor(color, lightness = 85, alpha = null) {
+    let c = new Color(color).hsl().lightness(lightness)
+    if (alpha !== null)
+        c = c.rgb().alpha(alpha)
+    return c.string()
 }
 
-export function lightenColor2(color) {
-    return lightenColor(color,98)
+export function lightenColor2(color, alpha = null) {
+    return lightenColor(color, 98, alpha)
 }
+
+
+const colorRanges = {
+    buy: ['#00CC33', '#3300CC'],
+    sell: ['#CC0033', '#CCCC33'],
+}
+
+export function lineColor(buy, index) {
+    const range = buy ? colorRanges.buy : colorRanges.sell
+    const a = new Color(range[0]).rgb()
+    const b = new Color(range[1]).rgb()
+    // const z2 = Math.PI * Math.PI / 6 - 1 // ζ(2) modulo 1
+    const z2 = 1 - 1/Math.E // ζ(2) modulo 1
+    const kk = index * z2;
+    const k = kk - Math.trunc(kk)
+    const mix = (x, y) => (1 - k) * x + k * y
+    const c = new Color([mix(a.red(), b.red()), mix(a.green(), b.green()), mix(a.blue(), b.blue())])
+    // console.log('default color', c.string())
+    return c.string()
+}
+