Refactor hardcode color to use OUI in maps_legacy (#4294)

* Refactor color to use OUI
* Pull theme value from actual active theme
* Update changelog

---------

Signed-off-by: Matt Provost <provomat@amazon.com>
Signed-off-by: Josh Romero <rmerqg@amazon.com>
Co-authored-by: Anan Zhuang <ananzh@amazon.com>
Co-authored-by: Josh Romero <rmerqg@amazon.com>

CHANGELOG.md

@@ -60,8 +60,9 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Remove unused Sass in `tile_map` plugin ([#4110](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4110))
 - [Table Visualization] Remove custom styling for text-align:center in favor of OUI utility class. ([#4164](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4164))
 - Replace the use of `bluebird` in `saved_objects` plugin ([#4026](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4026))
-- [Vis Colors] Update default color in TSVB to use `ouiPaletteColorBlind()[0]`([#4363](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4363))
-- [Vis Colors] Replace vis_type_timeline colors with `ouiPaletteColorBlind()` ([#4366](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4366))
+- [Vis Colors] [Maps] Replace hardcoded color to OUI color in `maps_legacy` plugin ([#4294](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4294))
+- [Vis Colors] [TSVB] Update default color in `vis_type_timeseries` to use `ouiPaletteColorBlind()[0]`([#4363](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4363))
+- [Vis Colors] [Timeline] Replace `vis_type_timeline` colors with `ouiPaletteColorBlind()` ([#4366](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4366))
 
 ### 🔩 Tests
 

src/plugins/maps_legacy/public/map/opensearch_dashboards_map.js

@@ -41,6 +41,7 @@ import { i18n } from '@osd/i18n';
 import { ORIGIN } from '../common/constants/origin';
 import { getToasts } from '../opensearch_dashboards_services';
 import { L } from '../leaflet';
+import { euiThemeVars } from '@osd/ui-shared-deps/theme';
 
 function makeFitControl(fitContainer, opensearchDashboardsMap) {
   // eslint-disable-next-line no-undef
@@ -474,7 +475,7 @@ export class OpenSearchDashboardsMap extends EventEmitter {
   }
 
   addDrawControl() {
-    const drawColor = '#000';
+    const drawColor = euiThemeVars.euiColorInk;
     const drawOptions = {
       draw: {
         polyline: false,