Accent Color, changes discord's blurple accent color.

discord-accent-color.css

/* Change Discord accent color */
:root {
    /* Change these two colors to the same value */
    /* take a hsl color like 177°, 94%, 51% */
    /* it becomes 177 calc(var(--saturation-factor, 1)*94%) 94% */
    /* then put that color in both the variables below! */
    
    --brand-500-hsl: 354 calc(var(--saturation-factor, 1)*70%) 74%;
    --brand-360-hsl: 354 calc(var(--saturation-factor, 1)*70%) 74%;

    /* Don't mess with these */
    /* some extra overrides */
    --brand-experiment-560: var(--brand-experiment-85a);
    --brand-experiment-600: var(--brand-experiment-70a);

    /* override ping colors */
    --mention-background: var(--brand-experiment-20a);
    --mention-foreground: var(--brand-experiment-95a);
}

/* edits reaction colors based on branding colors */
div[class*="reactionInner"][aria-pressed="false"] {
  background-color: var(--brand-experiment-20a);
  border-radius: 0.5rem;
}
div[class*="reactionInner"][aria-pressed="true"] {
  background-color: var(--brand-experiment-600);
  border-radius: 0.4rem;
}

.channelMention > .channelWithIcon {
  color: var(--brand-experiment-600);
}

div[class*="messagesPopoutWrap"] .mention {
  color: var(--brand-experiment-360);
}

/* end of accent color change */