Ledger Dark
Open in tool →Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy.
Color
#12ce93rgb(18, 206, 147)hsl(161, 84%, 44%)oklch(0.755 0.159 163.6)Charcoal, Hot Pink and Deep Sky Blue 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 #12ce93: softer than #000 and cool enough to feel like part of the same palette.
Hot Pink sits directly opposite #12ce93 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Deep Sky Blue is paired with #12ce93 in 4 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.
Mustard Yellow is paired with #12ce93 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 #12ce93 in 11 real palettes, including WhatsApp's brand system and Obsidian's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Light Coral is a split-complement of #12ce93: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Dark Olive Green is paired with #12ce93 in 3 real palettes, including 7-Eleven's brand system and Undergrowth, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Dark Orange is paired with #12ce93 in 3 real palettes, including Playground and Citrus Grove, as the lead colour — a combination designers have actually shipped, not a computed rotation.
| #12ce93 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.04:1 | fail | fail | fail | |
Aaon black | 10.28:1 | 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 #12ce93 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 #12ce93 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/12ce93-a2beb8-d459bb-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