Arcade
Open in tool →Hot pink, cyan and acid yellow on near-black — cabinet-glow neon; the black surface is what makes the colours light up.
Color
#fb2891
#fb2891
hex
#fb2891rgb
rgb(251, 40, 145)hsl
hsl(330, 96%, 57%)oklch
oklch(0.655 0.248 357.6)Closest name: deeppink (#ff1493)Relative luminance 0.2407
Colors that go with #fb2891
Crimson, Gold and Light Sea Green 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.
Crimson #dc143c
shippedCrimson is paired with #fb2891 in 4 real palettes, including The Ordinary's brand system and Snyk's brand system, as the supporting colour.
Gold #ffd700
shippedGold shows up next to #fb2891 in 4 real palettes, including Night Market and Tabloid, as the accent.
Light Sea Green #20b2aa
complementaryLight Sea Green sits directly opposite #fb2891 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cadet Blue #5f9ea0
split-complementshippedCadet Blue is a split-complement of #fb2891: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Medium Sea Green #3cb371
split-complementshippedMedium Sea Green is a split-complement of #fb2891: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #fb2891: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Tomato #ff6347
shipped3 real palettes, including Night Market and Airbnb's brand system put Tomato beside #fb2891, as the lead colour.
Cornflower Blue #6495ed
triadicshippedCornflower Blue completes a triad with #fb2891 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use #fb2891
Tints & shades
Harmonies
Contrast
| #fb2891 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.61:1 | fail | pass | fail | |
Aaon black | 5.81:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fb2891 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#fb2891 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #fb2891
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #fb2891 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/fb2891-c49cab-62cb64-2d1f20-f1e9f1?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