Neobank
Open in tool →Purple-and-lime is the challenger-bank uniform — high energy, and clearly not a legacy bank.
Color
#9fe331rgb(159, 227, 49)hsl(83, 76%, 54%)oklch(0.84 0.208 129.1)Violet, Deep Sky Blue and Charcoal 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.
Violet sits directly opposite #9fe331 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Deep Sky Blue completes a triad with #9fe331 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Charcoal is the body-text near-black for #9fe331: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Taupe is paired with #9fe331 in 3 real palettes, including 7-Eleven's brand system and Citrus Grove, as the lead colour.
Emerald Green is #9fe331's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Two real palettes: MongoDB's brand system and Robinhood's brand system put Blue beside #9fe331, as the accent.
Dark Orange shows up next to #9fe331 in two real palettes: Citrus Grove and Learning App, as the lead colour.
Gold shows up next to #9fe331 in two real palettes: Prime Video's brand system and Ikea's brand system, as the lead colour.
| #9fe331 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.55:1 | fail | fail | fail | |
Aaon black | 13.51:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #9fe331 as the background.
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 #9fe331 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/9fe331-b0bea2-4e5ddf-222d1f-f1f0e9?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