diff --git a/dist/frappe-charts.esm.js b/dist/frappe-charts.esm.js
index d701d5f..a90c06d 100644
--- a/dist/frappe-charts.esm.js
+++ b/dist/frappe-charts.esm.js
@@ -448,7 +448,7 @@ function getSplineCurvePointsStr(xList, yList) {
 			angle: Math.atan2(lengthY, lengthX)
 		};
 	};
-    
+
 	let controlPoint = (current, previous, next, reverse) => {
 		let p = previous || current;
 		let n = next || current;
@@ -459,19 +459,19 @@ function getSplineCurvePointsStr(xList, yList) {
 		let y = current[1] + Math.sin(angle) * length;
 		return [x, y];
 	};
-    
+
 	let bezierCommand = (point, i, a) => {
 		let cps = controlPoint(a[i - 1], a[i - 2], point);
 		let cpe = controlPoint(point, a[i - 1], a[i + 1], true);
 		return `C ${cps[0]},${cps[1]} ${cpe[0]},${cpe[1]} ${point[0]},${point[1]}`;
 	};
-    
+
 	let pointStr = (points, command) => {
 		return points.reduce((acc, point, i, a) => i === 0
 			? `${point[0]},${point[1]}`
 			: `${acc} ${command(point, i, a)}`, '');
 	};
-    
+
 	return pointStr(points, bezierCommand);
 }
 
@@ -520,6 +520,12 @@ function isValidColor(string) {
 }
 
 const getColor = (color) => {
+	// When RGB color, convert to hexadecimal (alpha value is omitted)
+	if((/rgb[a]{0,1}\([\d, ]+\)/gim).test(color)) {
+		return (/\D+(\d*)\D+(\d*)\D+(\d*)/gim).exec(color)
+			.map((x, i) => (i !== 0 ? Number(x).toString(16) : '#'))
+			.reduce((c, ch) => `${c}${ch}`);
+	}
 	return PRESET_COLOR_MAP[color] || color;
 };
 
diff --git a/src/js/utils/colors.js b/src/js/utils/colors.js
index 0aa967e..b77b6e0 100644
--- a/src/js/utils/colors.js
+++ b/src/js/utils/colors.js
@@ -43,5 +43,11 @@ export function isValidColor(string) {
 }
 
 export const getColor = (color) => {
+	// When RGB color, convert to hexadecimal (alpha value is omitted)
+	if((/rgb[a]{0,1}\([\d, ]+\)/gim).test(color)) {
+		return (/\D+(\d*)\D+(\d*)\D+(\d*)/gim).exec(color)
+			.map((x, i) => (i !== 0 ? Number(x).toString(16) : '#'))
+			.reduce((c, ch) => `${c}${ch}`);
+	}
 	return PRESET_COLOR_MAP[color] || color;
 };
diff --git a/src/js/utils/test/colors.test.js b/src/js/utils/test/colors.test.js
new file mode 100644
index 0000000..5a76231
--- /dev/null
+++ b/src/js/utils/test/colors.test.js
@@ -0,0 +1,14 @@
+const assert = require('assert');
+const colors = require('../colors');
+
+describe('utils.colors', () => {
+  it('should return #aaabac for RGB()', () => {
+    assert.equal(colors.getColor('rgb(170, 171, 172)', '#aaabac'));
+  });
+  it('should return #ff5858 for the named color red', () => {
+    assert.equal(colors.getColor('red', '#ff5858d'));
+  });
+  it('should return #1a5c29 for the hex color #1a5c29', () => {
+    assert.equal(colors.getColor('#1a5c29', '#1a5c29'));
+  });
+});
\ No newline at end of file
diff --git a/src/js/utils/test/helpers.test.js b/src/js/utils/test/helpers.test.js
index 2e646f1..0d8e7e3 100644
--- a/src/js/utils/test/helpers.test.js
+++ b/src/js/utils/test/helpers.test.js
@@ -1,10 +1,10 @@
-const assert  = require('assert')
-const helpers = require('../helpers')
+const assert  = require('assert');
+const helpers = require('../helpers');
 
 describe('utils.helpers', () => {
-    it('should return a value fixed upto 2 decimals', () => {
-        assert.equal(helpers.floatTwo(1.234), 1.23);
-        assert.equal(helpers.floatTwo(1.456), 1.46);
-        assert.equal(helpers.floatTwo(1),     1.00);
-    });
+  it('should return a value fixed upto 2 decimals', () => {
+    assert.equal(helpers.floatTwo(1.234), 1.23);
+    assert.equal(helpers.floatTwo(1.456), 1.46);
+    assert.equal(helpers.floatTwo(1),     1.00);
+  });
 });
\ No newline at end of file