Color
#3fa6a3
#3fa6a3rgb(63, 166, 163)hsl(178, 45%, 45%)oklch(0.665 0.094 192.4)Colors that go with #3fa6a3
Charcoal, Copper 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 #3fa6a3: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
shippedDesigners have shipped Copper with #3fa6a3: 5 real palettes, including Clean Beauty and Dusk, as the accent.
Crimson #dc143c
shippedCrimson is paired with #3fa6a3 in 4 real palettes, including Diner and DuckDuckGo's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #3fa6a3: 5 real palettes, including Peacock and Open House, as the supporting colour.
Midnight Blue #191970
shipped7 real palettes, including Ford's brand system and Tide Pool put Midnight Blue beside #3fa6a3, as the lead colour.
Peru #cd853f
triadicshippedPeru completes a triad with #3fa6a3 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #3fa6a3: 4 real palettes, including Ink Wash and First Snow, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #3fa6a3 in 4 real palettes, including Confluent's brand system and Khan Academy's brand system, as the supporting colour.
Real palettes that use #3fa6a3
Tints & shades
Harmonies
Contrast
| #3fa6a3 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.92:1 | fail | fail | fail | |
Aaon black | 7.19:1 | 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 #3fa6a3 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 #3fa6a3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3fa6a3-a2bcbe-d45999-1f282d-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