Very ugly Jupyter Python notebook for color conversions, specifically for Launchpad Pro RGB LEDs

color_calc.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 56,
   "metadata": {},
   "outputs": [],
   "source": [
    "from colormath.color_objects import LabColor, AdobeRGBColor\n",
    "from colormath.color_conversions import convert_color\n",
    "import re"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 48,
   "metadata": {},
   "outputs": [],
   "source": [
    "def remap_mul(val):\n",
    "    four = 0x04\n",
    "    return hex(round(val*four) - 1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 49,
   "metadata": {},
   "outputs": [],
   "source": [
    "def remap_div(val):\n",
    "    four = 0x04\n",
    "    return hex(round(val/four) - 1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 123,
   "metadata": {},
   "outputs": [],
   "source": [
    "nums = [0x3d,0x11,0x21]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 124,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "#f34383\n"
     ]
    }
   ],
   "source": [
    "out = ''\n",
    "for i in nums:\n",
    "    out += str(remap_mul(i))\n",
    "rgb_hex = '#' + str.replace(out, '0x', '')\n",
    "rgb_hex = str.replace(rgb_hex, '-', '0')\n",
    "print(rgb_hex)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 125,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "LabColor (lab_l:63.1758 lab_a:80.8536 lab_b:12.9054)\n"
     ]
    }
   ],
   "source": [
    "a_rgb = AdobeRGBColor.new_from_rgb_hex(rgb_hex)\n",
    "lab = convert_color(a_rgb, LabColor)\n",
    "print(lab)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 126,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "#d4116a\n"
     ]
    }
   ],
   "source": [
    "new_lab = LabColor(lab_l=53, lab_a=80.8536, lab_b=12.9054, illuminant='d65')\n",
    "new_a_rgb = convert_color(new_lab, AdobeRGBColor)\n",
    "print(new_a_rgb.get_rgb_hex())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 127,
   "metadata": {},
   "outputs": [],
   "source": [
    "nums = [0xd4,0x11,0x6a]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 128,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'#34319'"
      ]
     },
     "execution_count": 128,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "out = ''\n",
    "for i in nums:\n",
    "    out += str(remap_div(i))\n",
    "'#' + str.replace(out, '0x', '')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.7.5"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 4
}