Lido
Open in tool →Pool blue, watermelon and sun on white — the poolside summer set; the deep teal text keeps it from going juvenile.
Color
#123245rgb(18, 50, 69)hsl(202, 59%, 17%)oklch(0.303 0.051 237.8)Royal Blue, Rust and Sienna 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.
Royal Blue is #123245's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Rust is a split-complement of #123245: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sienna sits directly opposite #123245 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Teal is #123245's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Amber is paired with #123245 in 9 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour.
18 real palettes, including Monzo's brand system and Minecraft's brand system put Blue beside #123245, as the accent.
5 real palettes, including Rain Garden and Blush put Blush Pink beside #123245, as the accent.
White Smoke is the surface for #123245: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
| #123245 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 13.39:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.57:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #123245 as the background.
#123245 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:
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 #123245 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/123245-9cb1c4-df4e5f-1f222d-e9f1f0?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