Color
#40bf7d
#40bf7drgb(64, 191, 125)hsl(149, 50%, 50%)oklch(0.719 0.148 156.5)Colors that go with #40bf7d
Charcoal, Dark Olive Green and Mustard Yellow 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 text near-black for #40bf7d: softer than #000 and cool enough to feel like part of the same palette.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #40bf7d in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
Mustard Yellow #ffdb58
shipped5 real palettes, including Meadow and Fresh Juice put Mustard Yellow beside #40bf7d, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #40bf7d in 6 real palettes, including Khan Academy's brand system and Docker's brand system, as the accent.
Taupe #483c32
shippedTaupe is paired with #40bf7d in 15 real palettes, including Chime's brand system and Obsidian's brand system, as the lead colour.
Orchid #da70d6
complementaryOrchid sits directly opposite #40bf7d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Light Coral #f08080
split-complementshippedLight Coral is a split-complement of #40bf7d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Burlywood #deb887
shippedBurlywood is paired with #40bf7d in 3 real palettes, including Polaroid and Coastal, as the accent.
Real palettes that use #40bf7d
Tints & shades
Harmonies
Contrast
| #40bf7d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.34:1 | fail | fail | fail | |
Aaon black | 8.97:1 | 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 #40bf7d 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 #40bf7d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/40bf7d-a2beb3-d459d4-1f2d2c-e9f1e9?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