Terminal
Open in tool →Green for success, blue for links, pink for emphasis — the dark-mode developer family, tuned to sit on near-black without glare.
Color
#1bbb56rgb(27, 187, 86)hsl(142, 75%, 42%)oklch(0.694 0.188 149.2)Charcoal, Royal Blue and Taupe 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 body-text near-black for #1bbb56: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Royal Blue is paired with #1bbb56 in 6 real palettes, including Brilliant's brand system and Console Light, as the accent.
Taupe is paired with #1bbb56 in 7 real palettes, including Obsidian's brand system and Chime's brand system, as the text colour against it.
Fuchsia sits directly opposite #1bbb56 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Hot Pink is a split-complement of #1bbb56: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Medium Purple is a split-complement of #1bbb56: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Cornflower Blue completes a triad with #1bbb56 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Dark Olive Green shows up next to #1bbb56 in 3 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
| #1bbb56 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.53:1 | fail | fail | fail | |
Aaon black | 8.29:1 | 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 #1bbb56 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 #1bbb56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/1bbb56-a2beaf-c659d4-1f2d2a-eaf1e9?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