Color
#991bbb
#991bbbrgb(153, 27, 187)hsl(287, 75%, 42%)oklch(0.512 0.233 317.3)Colors that go with #991bbb
Denim, Forest Green and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Denim #1560bd
shippedDesigners have shipped Denim with #991bbb: 4 real palettes, including Peacock and Hasbro's brand system, as the supporting colour.
Forest Green #228b22
complementaryForest Green sits directly opposite #991bbb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #991bbb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #991bbb: softer than #000 and cool enough to feel like part of the same palette.
Teal #008080
triadicshippedTeal completes a triad with #991bbb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Olive Green #808000
split-complementOlive Green is a split-complement of #991bbb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Light Sea Green #20b2aa
shippedLight Sea Green shows up next to #991bbb in two real palettes: Taco Bell's brand system and Circuit, as the accent.
Taupe #483c32
shippedTaupe is paired with #991bbb in two real palettes: Superhuman's brand system and Datadog's brand system, as the lead colour.
Real palettes that use #991bbb
Tints & shades
Harmonies
Contrast
| #991bbb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.5:1 | pass | pass | fail |
|
Aaon black | 3.23:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #991bbb as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#991bbb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #991bbb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/991bbb-bd9fc1-abcb62-2d1f2a-ece9f1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md