-- Coded by NYONIC    -- a few bugs with setting values I will work out later... you can hide those Gui elements
local plr = game.Players.LocalPlayer
local plrgui = plr:WaitForChild('PlayerGui')
local colorchoice = plr.PlayerGui:WaitForChild("Nyonic'sColorPalette")
local mouse = plr:GetMouse()
local mousedown = false
local colorselector = colorchoice.ColorSelector
local newcolor = colorchoice.NewColor  -- sets the new color to the NewColor.Value
local setting = false  -- used as debounce on values being changed by another
local lasthex = 'FFFFFF'   -- used to set last hex back if not a valid hex format
local lastR = 255
local lastG = 255
local lastB = 255
local lastHue = 359
local lastSat = 255
local lastVal = 255

local ROUND_TO = .01 -- studs   -- used for Grid System      --------------- NEW SYSTEM
local function Round(Number)
    return math.floor((Number / ROUND_TO) + 0.5) * ROUND_TO
end


local BasePartToSet = colorchoice.BrickToColor.Value or workspace:FindFirstChild('Baseplate')  -- this is whatever you want color changed on ****************

-- Coded by NYONIC
local Color3 = setmetatable({
FromHex = function(int)
    if string.sub(int,1,1) == '#' then  -- removes the html # and replaces with 0x for full hex
        int = '0x' .. string.sub(int,2,string.len(int))
    elseif string.lower(string.sub(int,1,2)) ~= '0x' then  -- checks if it has the 0x if not adds it for full hex
        int = '0x' .. int
    end
    return Color3.fromRGB(math.floor(int/256^2)%256,math.floor(int/256)%256,math.floor(int)%256)
end,
ToHex = function(color)
    local R = string.format("%02X",color.r * 255)
    local G = string.format("%02X",color.g * 255)
    local B = string.format("%02X",color.b * 255)
    return (R .. G .. B ) -- math.floor(color.r*255)*256^2+math.floor(color.g*255)*256+math.floor(color.b*255)
end
}, {__index = Color3})

colorselector.MouseButton1Down:Connect(function()
mousedown = true
colorchoice.Cursor.Visible = true
    while mousedown do
        local x = mouse.X
        local y = mouse.Y

    local r = colorselector.AbsoluteSize.x/2   -- this gets max radias of color palette and only allows cursor to go to edge even if mouse leaves
    local d = Vector2.new(x, y) - colorselector.AbsolutePosition - colorselector.AbsoluteSize/2;
    if (d:Dot(d) > r*r) then
        d = d.unit * r;
    end
    colorchoice.Cursor.Position = UDim2.new(0.5, d.x, 0.5, d.y);
    x = colorchoice.Cursor.AbsolutePosition.X + colorchoice.Cursor.AbsoluteSize.x/2
    y = colorchoice.Cursor.AbsolutePosition.Y + colorchoice.Cursor.AbsoluteSize.y/2

        -- gets rotation from location of mouse to center gotten from postion then add half the size
        local ycenter = (colorselector.AbsolutePosition.Y + colorselector.AbsoluteSize.Y/2)
        local xcenter = (colorselector.AbsolutePosition.X + colorselector.AbsoluteSize.X/2)
        local Sat = (Vector2.new(xcenter, ycenter) - Vector2.new(x,y)).Magnitude / (colorselector.AbsoluteSize.X/2)   -- gets magnitude from center of image to max size
        local Hue = math.ceil(math.deg(math.atan2(ycenter - y ,( xcenter -  x))))  -- get the roation in degrees from mouse to center of gui image
        Hue = Hue - 30  -- backs up from the 359 to make it start at red
            if Hue < 0 then   -- if less than 0 a negative between -1 and -179 change it to part of 360
                Hue = 359 + Hue
            end

        if Sat <= 1 then    -- only set while over the wheel
        colorchoice.Cursor.Position = UDim2.new(0,x,0,y)
        colorselector.Hue.Text = Hue   -- set the hue then the Sat below
        colorselector.Sat.Text = math.floor(Sat*255)
        end
        wait()
    end
end)
mouse.Button1Up:Connect(function()
mousedown = false
end)

colorselector.MouseButton1Up:Connect(function( x, y)
mousedown = false
end)

function MoveBrightness(yset)
    while mousedown do
        local x = mouse.X
        local y = mouse.Y
            if y >= colorselector.BrightnessSelector.AbsolutePosition.Y - 1  and  y <= ( colorselector.BrightnessSelector.AbsolutePosition.Y + colorselector.BrightnessSelector.AbsoluteSize.Y) then
                colorselector.BrightnessSelector.SelectorBar.Position = UDim2.new(0,colorselector.BrightnessSelector.SelectorBar.Position.X, 0,(y- colorselector.BrightnessSelector.AbsolutePosition.Y))
                colorselector.Val.Text = math.floor(255*(1-((y - colorselector.BrightnessSelector.AbsolutePosition.Y)/colorselector.BrightnessSelector.AbsoluteSize.Y)))
            end
        wait()
    end
    if yset then
        colorselector.BrightnessSelector.SelectorBar.Position = UDim2.new(0,colorselector.BrightnessSelector.SelectorBar.Position.X, 0,colorselector.BrightnessSelector.AbsoluteSize.Y-(yset * colorselector.BrightnessSelector.AbsoluteSize.Y))
    end
end

colorselector.BrightnessSelector.SelectorBar.MouseButton1Down:Connect(function( )
    mousedown = true
    MoveBrightness()
end)

colorselector.BrightnessSelector.SelectorBar.MouseButton1Up:Connect(function( )
    mousedown = false
end)

colorselector.BrightnessSelector.MouseButton1Down:Connect(function( )
    mousedown = true
    MoveBrightness()
end)

colorselector.BrightnessSelector.MouseButton1Up:Connect(function( x, y)
    mousedown = false
end)

colorselector.Color.MouseButton1Up:Connect(function( x, y)
    mousedown = false
end)
-- Coded by NYONIC

function SetColor(mode, val)   --- HSV, RGB, HEX
        if setting then return end
        pcall(function()   -- us pcall for error if wrong HEX
            if mode == 'HSV' then
                newcolor.Value = Color3.fromHSV(colorselector.Hue.Text/359,colorselector.Sat.Text/255,colorselector.Val.Text/255)
            elseif mode == 'RGB' then
                newcolor.Value = Color3.fromRGB(colorselector.R.Text,colorselector.G.Text,colorselector.B.Text)
            elseif mode == 'HEX' then
                newcolor.Value = Color3.FromHex(colorselector.Hex.Text)
            end
            local H, S, V = Color3.toHSV(newcolor.Value)
            colorselector.BrightnessSelector.BackgroundColor3 = Color3.fromHSV(H,S,1)  -- sets the color as bright as it can be for selector
        end)
end

colorchoice.NewColor.Changed:Connect(function()
        setting = true
        if not colorselector.R:IsFocused() then
            colorselector.R.Text = math.floor(newcolor.Value.r * 255)
        end
        if not colorselector.G:IsFocused() then
            colorselector.G.Text = math.floor(newcolor.Value.g * 255)
        end
        if not colorselector.B:IsFocused() then
            colorselector.B.Text = math.floor(newcolor.Value.b * 255)
        end
        if not colorselector.Hex:IsFocused() then
            colorselector.Hex.Text = Color3.ToHex(newcolor.Value)
        end

        local H, S, V = Color3.toHSV(newcolor.Value)
        if not colorselector.Hue:IsFocused() and not colorselector.Sat:IsFocused() then
            colorselector.Hue.Text = Round(H)*359
            colorselector.Sat.Text = Round(S)*255
        end
        if not colorselector.Val:IsFocused() then
            colorselector.Val.Text = Round(V)*255
        end
        colorselector.Color.ImageColor3 = newcolor.Value
        if BasePartToSet then  -- if there is a BRICK that needs color set
            BasePartToSet.Color = newcolor.Value
        end
        wait()
        setting = false
end)

colorselector.Hue.Changed:Connect(function()
    if colorselector.Hue.Text == '' then colorselector.Hue.Text = 0 return end
    if not tonumber(colorselector.Hue.Text) then colorselector.Hue.Text = lastHue return end
    colorselector.Hue.Text = math.clamp(colorselector.Hue.Text,0,359)
    SetColor('HSV')
end)
colorselector.Sat.Changed:Connect(function()
    if colorselector.Sat.Text == '' then colorselector.Sat.Text = 0 return end
    if not tonumber(colorselector.Sat.Text) then colorselector.Sat.Text = lastSat return end
    colorselector.Sat.Text = math.clamp(colorselector.Sat.Text,0,255)
    SetColor('HSV')
end)
colorselector.Val.Changed:Connect(function()
    if colorselector.Val.Text == '' then colorselector.Val.Text = 0 return end
    if not tonumber(colorselector.Val.Text) then colorselector.Val.Text = lastVal return end
    colorselector.Val.Text = math.clamp(colorselector.Val.Text,0,255)
    SetColor('HSV')
    if tonumber(colorselector.Val.Text) and colorselector.Val.Text ~= '' and not mousedown then
        MoveBrightness(colorselector.Val.Text/255)
    end
end)
colorselector.R.Changed:Connect(function()
    if colorselector.R.Text == '' then colorselector.R.Text = 0 return end
    if not tonumber(colorselector.R.Text) then colorselector.R.Text = lastR return end
    colorselector.R.Text = math.clamp(colorselector.R.Text,0,255)
    SetColor('RGB')
end)
colorselector.G.Changed:Connect(function()
    if colorselector.G.Text == '' then colorselector.G.Text = 0 return end
    if not tonumber(colorselector.G.Text) then colorselector.G.Text = lastG return end
    colorselector.G.Text = math.clamp(colorselector.G.Text,0,255)
    SetColor('RGB')
end)
colorselector.B.Changed:Connect(function()
    if colorselector.B.Text == '' then colorselector.B.Text = 0 return end
    if not tonumber(colorselector.B.Text) then colorselector.B.Text = lastB return end
    colorselector.B.Text = math.clamp(colorselector.B.Text,0,255)
    SetColor('RGB')
end)
colorselector.Hex.Changed:Connect(function()
    colorselector.Hex.Text = string.upper(colorselector.Hex.Text)
    if colorselector.Hex.Text == '' then return end
    if #colorselector.Hex.Text > 7 then
        colorselector.Hex.Text = lasthex  -- sets back because not valid
        return
    elseif #colorselector.Hex.Text == 7 and string.sub(colorselector.Hex.Text ,1,1) ~= '#' then
        colorselector.Hex.Text = lasthex  -- sets back because not valid
        return
    end

    local int = colorselector.Hex.Text
    if string.sub(int,1,1) == '#' then  -- removes the html # and replaces with 0x for full hex
        int = '0x' .. string.sub(int,2,string.len(int))
    elseif string.lower(string.sub(int,1,2)) ~= '0x' then  -- checks if it has the 0x if not adds it for full hex
        int = '0x' .. int
    end
    lasthex = colorselector.Hex.Text -- sets the newest hex incase need to set back later
    SetColor('HEX')
end)

-- Coded by NYONIC