Cobalt Pop
Open in tool →One deep cobalt and one hot pink on white — a two-accent system for launches and campaign pages that need punch.
Color
#fb7991rgb(251, 121, 145)hsl(349, 94%, 73%)oklch(0.733 0.16 10.3)Charcoal, Light Sea Green and Midnight 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 body-text near-black for #fb7991: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Light Sea Green sits directly opposite #fb7991 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
6 real palettes, including Lavender Haze and Sketch's brand system put Midnight Blue beside #fb7991, as the text colour against it.
4 real palettes, including Lido and Meadow put Mustard Yellow beside #fb7991, as the accent.
Royal Blue is paired with #fb7991 in 5 real palettes, including Roblox's brand system and Grafana Labs's brand system, as the lead colour.
Taupe is paired with #fb7991 in 13 real palettes, including Meadow and Raycast's brand system, as the text colour against it.
Emerald Green is a split-complement of #fb7991: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Designers have shipped Denim with #fb7991: 3 real palettes, including Target : Expect More. Pay Less.'s brand system and Postman's brand system, as the accent.
| #fb7991 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.55:1 | fail | fail | fail | |
Aaon black | 8.25:1 | 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 #fb7991 as the background.
#fb7991 reads as warm, vivid, light. 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 #fb7991 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/fb7991-c49c9f-62cb85-2d231f-f1e9ee?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