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
#ff3d91
#ff3d91
hex
#ff3d91rgb
rgb(255, 61, 145)hsl
hsl(334, 100%, 62%)oklch
oklch(0.674 0.235 359.9)Closest name: Diva Pink (#fa427e)Relative luminance 0.2664
Colors that go with #ff3d91
Light Sea Green, Gold and Tomato 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.
Light Sea Green #20b2aa
complementaryshippedLight Sea Green sits directly opposite #ff3d91 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Gold #ffd700
shippedGold is paired with #ff3d91 in 4 real palettes, including Night Market and Tequila Sunrise, as the accent — a combination designers have actually shipped, not a computed rotation.
Tomato #ff6347
analogousshippedTomato is #ff3d91's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Medium Sea Green #3cb371
split-complementshippedMedium Sea Green is a split-complement of #ff3d91: 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 #ff3d91: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Mustard Yellow #ffdb58
shippedMustard Yellow is paired with #ff3d91 in 3 real palettes, including Crayon Box and Lido, as the accent — a combination designers have actually shipped, not a computed rotation.
Cornflower Blue #6495ed
triadicshippedCornflower Blue completes a triad with #ff3d91 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Midnight Blue #191970
shippedMidnight Blue is paired with #ff3d91 in two real palettes: Lavender Haze and Monzo's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #ff3d91
Tints & shades
Harmonies
Contrast
| #ff3d91 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.32:1 | fail | pass | fail | |
Aaon black | 6.33:1 | 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 #ff3d91 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#ff3d91 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #ff3d91
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 #ff3d91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/ff3d91-c49ca9-62cb6b-2d1f1f-f1e9f0?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