Color
#3ad9cc
#3ad9ccrgb(58, 217, 204)hsl(175, 68%, 54%)oklch(0.803 0.128 186.7)Colors that go with #3ad9cc
Charcoal, Deep Sky Blue and Dodger 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 #36454f
neutralshippedCharcoal is the text near-black for #3ad9cc: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
analogousshippedDeep Sky Blue is #3ad9cc's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #3ad9cc: 4 real palettes, including Patreon's brand system and Bluesky Social's brand system, as the accent.
Taupe #483c32
shippedTaupe is paired with #3ad9cc in 14 real palettes, including Crayon Box and Mint Chip, as the text colour against it.
Wheat #f5deb3
shippedDesigners have shipped Wheat with #3ad9cc: 4 real palettes, including Mint Chip and Oatly's brand system, as the accent.
Light Coral #f08080
complementaryLight Coral sits directly opposite #3ad9cc on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped3 real palettes, including Uber's brand system and Warp's brand system put Blue beside #3ad9cc, as the accent.
Crimson #dc143c
shippedCrimson is paired with #3ad9cc in 3 real palettes, including Formula 1's brand system and Riot Games's brand system, as the supporting colour.
Real palettes that use #3ad9cc
Tints & shades
Harmonies
Contrast
| #3ad9cc as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.75:1 | fail | fail | fail | |
Aaon black | 11.98:1 | 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 #3ad9cc 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 #3ad9cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3ad9cc-a2bdbe-d4599f-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