Ledger Dark
Open in tool →Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy.
Color
#39d59frgb(57, 213, 159)hsl(159, 65%, 53%)oklch(0.78 0.15 164.8)Charcoal, Hot Pink 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 is the text near-black for #39d59f: softer than #000 and cool enough to feel like part of the same palette.
Hot Pink sits directly opposite #39d59f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Mustard Yellow is paired with #39d59f in 4 real palettes, including Fresh Juice and Crayon Box, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Royal Blue is paired with #39d59f in 4 real palettes, including Docker's brand system and Khan Academy's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe is paired with #39d59f in 14 real palettes, including WhatsApp's brand system and 7-Eleven's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Light Coral is a split-complement of #39d59f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue is paired with #39d59f in 3 real palettes, including Unity's brand system and Spotify's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Crimson is paired with #39d59f in 3 real palettes, including Formula 1's brand system and DuckDuckGo's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
| #39d59f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.88:1 | fail | fail | fail | |
Aaon black | 11.19:1 | 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 #39d59f as the background.
Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy.
Orange, mango and mint — a sugar rush; keep the type black so it stays legible under all that 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 #39d59f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/39d59f-a2beb8-d459c0-1f2c2d-e9f1eb?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