Color
#99ec65
#99ec65rgb(153, 236, 101)hsl(97, 78%, 66%)oklch(0.862 0.188 135.1)Colors that go with #99ec65
Deep Sky Blue, Taupe and Plum 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.
Deep Sky Blue #00bfff
triadicshippedDeep Sky Blue completes a triad with #99ec65 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Taupe #483c32
shippedTaupe is paired with #99ec65 in 5 real palettes, including 7-Eleven's brand system and Citrus Grove, as the lead colour.
Plum #dda0dd
complementaryPlum sits directly opposite #99ec65 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 body-text near-black for #99ec65: 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 #99ec65: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Lilac #c8a2c8
split-complementLilac is a split-complement of #99ec65: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shippedTwo real palettes: MongoDB's brand system and Robinhood's brand system put Blue beside #99ec65, as the accent.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #99ec65: two real palettes: Steam's brand system and Macaron, as the lead colour.
Real palettes that use #99ec65
Tints & shades
Harmonies
Contrast
| #99ec65 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 #99ec65 as the background.
Brands using this color
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 #99ec65 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/99ec65-a9bea2-624edf-1f2d20-f0f1e9?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