$\color{blueviolet}{blueviolet}$
$\color{aquamarine}{aquamarine}$
$\color{brown}{brown}$
$\color{cadetblue}{cadetblue}$
$\color{darkorchid}{darkorchid}$
$\color{chocolate}{chocolate}$
$\color{cornflowerblue}{cornflowerblue}$
$\color{cyan}{cyan}$
$\color{darkgray}{darkgray}$
$\color{darkslateblue}{darkslateblue}$
$\color{forestgreen}{forestgreen}$
$\color{fuchsia}{fuchsia}$
$\color{gold}{gold}$
$\color{goldenrod}{goldenrod}$
$\color{gray}{gray}$
$\color{green}{green}$
$\color{greenyellow}{greenyellow}$
$\color{lavender}{lavender}$
$\color{lightgray}{lightgray}$
$\color{limegreen}{limegreen}$
$\color{magenta}{magenta}$
$\color{maroon}{maroon}$
$\color{mediumpurple}{mediumpurple}$
$\color{midnightblue}{midnightblue}$
$\color{navajowhite}{navajowhite}$
$\color{olive}{olive}$
$\color{orange}{orange}$
$\color{orangered}{orangered}$
$\color{orchid}{orchid}$
$\color{pink}{pink}$
$\color{plum}{plum}$
$\color{purple}{purple}$
$\color{red}{red}$
$\color{royalblue}{royalblue}$
$\color{salmon}{salmon}$
$\color{seagreen}{seagreen}$
$\color{silver}{silver}$
$\color{skyblue}{skyblue}$
$\color{springgreen}{springgreen}$
$\color{tan}{tan}$
$\color{thistle}{thistle}$
$\color{tomato}{tomato}$
$\color{turquoise}{turquoise}$
$\color{violet}{violet}$
$\color{yellow}{yellow}$
$\color{yellowgreen}{yellowgreen}$
$\colorbox{aquamarine}{1234567890}$
$\colorbox{cadetblue}{1234567890}$
$\colorbox{cornflowerblue}{1234567890}$
$\colorbox{gold}{1234567890}$
$\colorbox{lightgray}{1234567890}$
$\colorbox{pink}{1234567890}$
$\colorbox{plum}{◃ use any of the colors to the left}$
$\fbox {add a simple border}$
$\color{lavender} \fcolorbox{midnightblue}{orchid}{use color boxes with borders}$
$\color{tomato} \fcolorbox{tomato}{white}{color borders and text only}$
$\color{midnightblue} \fcolorbox{green}{greenyellow}{color backgrounds and text}$
$\mathsf{} \color{navajowhite} \fcolorbox{darkslateblue}{orange}{experiment with combinations}$
$\color{pink} \fcolorbox{pink}{#8b4e96}{have fun with symbols ♠ ♡ ♣ ♢}$
$\fbox{ \color {#8b4e96}{add a simple border}}$
$\mathtt {Typewriter}$
$\mathsf {Sans~Serif}$
$\mathbb {CHALKBOARD}$
$\mathrm {Roman}$
$\mathcal {Caligraphic}$
$\tiny {Tiny}$
$\scriptsize Script~Size$
$\footnotesize Footnote~Size$
$\small Small$
$\normalsize Normal~Size$
$\large Large$
$\Large Large$
$\LARGE Large$
$\huge Huge$
$\Huge Huge$
$\utilde{swooshy~underline}$
$\underrightarrow{underline~right~arrow}$
$\underleftarrow{underline~left~arrow}$
$\underline{underline}$
$\undergroup{group1}$ $\undergroup{group2}$ $\undergroup{group3}$
$\sout{strikethrough}$
$\xcancel{Xcancel}$
$\overline {overline}$
$$ \Large \def\arraystretch{1.5} \begin{array}{c:c:c:c} \mathsf {this} & \mathsf {that} & \mathsf {+} & \mathsf {other} \\ \hline \end{array} $$
$\huge \def\arraystretch{1.5} \begin{array}{c:c:c} a & b & c \\ \hline d & e & f \\ \hline g & h & i \end{array}$
$$ \begin{aligned} your~center~aligned~text~here \end{aligned} $$
Use pre-defined colors... $\color{#fff} \colorbox{#cb345a} {or use hex codes}$
$\color{tomato} \fcolorbox{tomato}{white}{database name}$