Color
#9900ff
#9900ffrgb(153, 0, 255)hsl(276, 100%, 50%)oklch(0.56 0.296 301.9)Colors that go with #9900ff
Olive Green, Charcoal and Teal 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.
Olive Green #808000
complementaryOlive Green sits directly opposite #9900ff on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #9900ff: softer than #000 and cool enough to feel like part of the same palette.
Teal #008080
triadicshippedTeal completes a triad with #9900ff — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sea Green #2e8b57
split-complementSea Green is a split-complement of #9900ff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Royal Blue #4169e1
analogousshippedRoyal Blue is #9900ff's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Denim #1560bd
shippedDesigners have shipped Denim with #9900ff: two real palettes: Linkedin's brand system and Hasbro's brand system, as the lead colour.
Light Sea Green #20b2aa
shippedLight Sea Green shows up next to #9900ff in two real palettes: Taco Bell's brand system and Circuit, as the accent.
Medium Slate Blue #7b68ee
shippedMedium Slate Blue shows up next to #9900ff in two real palettes: ClickUp's brand system and monday.com's brand system, as the supporting colour.
Real palettes that use #9900ff
Tints & shades
Harmonies
Contrast
| #9900ff as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.53:1 | pass | pass | fail |
|
Aaon black | 3.8:1 | 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 #9900ff as the background.
Brands using this color
Fonts for this mood
#9900ff 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 #9900ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/9900ff-b99cc4-bfcb62-2d1f2d-eae9f1?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