function getClosestBrickColor(h, s, v)
    local bestBC = nil;
    local bestDist = math.huge;
    for i = 0, 127 do
        local bc = BrickColor.palette(i);
        local H, S, V = Color3.toHSV(bc.Color);
        local dh = H - h;
        local ds = S - s;
        local dv = V - v;
        local dist = math.sqrt(dh*dh*20 + ds*ds + dv*dv);
        if (dist < bestDist) then
            bestBC = bc;
            bestDist = dist;
        end
    end
    return bestBC;
end


local numH = 12;
local numS = 5;
local numV = 5;
local wheel = Instance.new("Model", game.Workspace);

for h = 0, numH-1 do
    for s = 0, numS-1 do
        for v = 0, numV-1 do
            local p = Instance.new("Part", wheel);
            p.Anchored = true;
            p.Size = Vector3.new(1, 3, 3);
            p.CFrame = CFrame.new(0, v*3, 0) * CFrame.Angles(0, math.pi*2/numH*h, 0) * CFrame.new(0, 0, 16 + s*3);
            p.BrickColor = getClosestBrickColor(h/numH, s/numS, v/numV);
        end
    end
end