Neobank
Open in tool →Purple-and-lime is the challenger-bank uniform — high energy, and clearly not a legacy bank.
Color
#99ed40
#99ed40
hex
#99ed40rgb
rgb(153, 237, 64)hsl
hsl(89, 83%, 59%)oklch
oklch(0.861 0.215 132.3)Closest name: Inchworm (#b2ec5d)Relative luminance 0.6771
Colors that go with #99ed40
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 #ee82ee
complementaryshippedViolet sits directly opposite #99ed40 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 #00bfff
triadicshippedDeep Sky Blue completes a triad with #99ed40 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #99ed40: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Hot Pink #ff69b4
split-complementHot Pink is a split-complement of #99ed40: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shippedTwo real palettes: Robinhood's brand system and MongoDB's brand system put Blue beside #99ed40, as the supporting colour.
Dark Orange #ff8c00
shippedDark Orange shows up next to #99ed40 in two real palettes: Learning App and Citrus Grove, as the accent.
Lime Green #32cd32
shippedTwo real palettes: Duolingo's brand system and Monster Energy's brand system put Lime Green beside #99ed40, as the lead colour.
Red #ff0000
shippedRed is paired with #99ed40 in two real palettes: Wise's brand system and Gatorade's brand system, as the lead colour.
Real palettes that use #99ed40
Tints & shades
Harmonies
Contrast
| #99ed40 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.44:1 | fail | fail | fail | |
Aaon black | 14.54:1 | 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 #99ed40 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
mcpConnect your agent — build around #99ed40
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #99ed40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/99ed40-adbea2-4e4edf-212d1f-f1f1e9?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