Color
#3fe9dd
#3fe9ddrgb(63, 233, 221)hsl(176, 79%, 58%)oklch(0.848 0.135 187.8)Colors that go with #3fe9dd
Charcoal, Deep Sky Blue and Crimson 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 #36454f
neutralshippedCharcoal is the text near-black for #3fe9dd: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
analogousshippedDeep Sky Blue is #3fe9dd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Crimson #dc143c
shippedCrimson is paired with #3fe9dd in 4 real palettes, including Formula 1's brand system and Tiffany & Co.'s brand system, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #3fe9dd in 9 real palettes, including Astro's brand system and Mint Chip, as the text colour against it.
Light Coral #f08080
complementaryLight Coral sits directly opposite #3fe9dd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Wheat #f5deb3
shippedDesigners have shipped Wheat with #3fe9dd: 3 real palettes, including Mint Chip and Oatly's brand system, as the accent.
Goldenrod #daa520
triadicshippedGoldenrod completes a triad with #3fe9dd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Salmon #fa8072
split-complementSalmon is a split-complement of #3fe9dd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #3fe9dd
Tints & shades
Harmonies
Contrast
| #3fe9dd as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.51:1 | fail | fail | fail | |
Aaon black | 13.91:1 | 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 #3fe9dd as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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 #3fe9dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3fe9dd-a2bdbe-d4599d-1f282d-e9f1ed?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