Ledger Dark
Open in tool →Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy.
Color
#3ecc98rgb(62, 204, 152)hsl(158, 58%, 52%)oklch(0.757 0.142 164.2)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 #3ecc98: softer than #000 and cool enough to feel like part of the same palette.
Hot Pink sits directly opposite #3ecc98 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 #3ecc98 in 4 real palettes, including Fresh Juice and Crayon Box, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe is paired with #3ecc98 in 15 real palettes, including WhatsApp's brand system and Crayon Box, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Light Coral is a split-complement of #3ecc98: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Dark Olive Green is paired with #3ecc98 in 3 real palettes, including Undergrowth and 7-Eleven's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Deep Sky Blue is paired with #3ecc98 in 3 real palettes, including Remix's brand system and Prime Video's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Hunter Green is paired with #3ecc98 in 3 real palettes, including Neon's brand system and Canopy, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
| #3ecc98 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.04:1 | fail | fail | fail | |
Aaon black | 10.3:1 | 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 #3ecc98 as the background.
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 #3ecc98 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3ecc98-a2beb7-d459c2-1f2c2d-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