Color
#90599b
#90599brgb(144, 89, 155)hsl(290, 27%, 48%)oklch(0.55 0.117 320.8)Colors that go with #90599b
Sea Green, Midnight Blue and Orange 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.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #90599b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Midnight Blue #191970
shipped4 real palettes, including Marvel's brand system and Plaid's brand system put Midnight Blue beside #90599b, as the supporting colour.
Orange #ffa500
shipped4 real palettes, including Campus and Graphite put Orange beside #90599b, as the accent.
Teal #008080
split-complementshippedTeal is a split-complement of #90599b: 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 #90599b: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
shippedDesigners have shipped Denim with #90599b: 3 real palettes, including Linkedin's brand system and Campus, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #90599b in 3 real palettes, including Superhuman's brand system and Dusk, as the lead colour.
Dark Olive Green #556b2f
split-complementDark Olive Green is a split-complement of #90599b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #90599b
Tints & shades
Harmonies
Contrast
| #90599b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.14:1 | pass | pass | fail |
|
Aaon black | 4.09:1 | 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 #90599b as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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 #90599b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/90599b-bf9fc1-a6cb62-2d1f29-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