Color
#3fa641
#3fa641rgb(63, 166, 65)hsl(121, 45%, 45%)oklch(0.643 0.169 143.6)Colors that go with #3fa641
Charcoal, Crimson and Denim 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.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #3fa641: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Crimson #dc143c
shippedCrimson is paired with #3fa641 in 5 real palettes, including DuckDuckGo's brand system and Diner, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #3fa641 in 4 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #3fa641 in 4 real palettes, including Telehealth and Fintech Trust, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #3fa641 in 6 real palettes, including Obsidian's brand system and Meadow, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Medium Orchid #ba55d3
complementaryMedium Orchid sits directly opposite #3fa641 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Medium Purple #9370db
split-complementshippedMedium Purple is a split-complement of #3fa641: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shippedBlue is paired with #3fa641 in 3 real palettes, including Spotify's brand system and Instacart's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #3fa641
Tints & shades
Harmonies
Contrast
| #3fa641 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.11:1 | fail | pass | fail | |
Aaon black | 6.74:1 | pass | 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 #3fa641 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 #3fa641 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3fa641-a2bea6-9b4edf-1f2d26-edf1e9?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