Color
#3cb9ae
#3cb9aergb(60, 185, 174)hsl(175, 51%, 48%)oklch(0.715 0.109 186.6)Colors that go with #3cb9ae
Charcoal, Crimson and Denim 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 #3cb9ae: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #3cb9ae in 4 real palettes, including Riot Games's brand system and Diner, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #3cb9ae: 5 real palettes, including Open House and Coca-Cola's brand system, as the lead colour.
Midnight Blue #191970
shipped7 real palettes, including Ford's brand system and Confluent's brand system put Midnight Blue beside #3cb9ae, as the lead colour.
Mustard Yellow #ffdb58
shipped4 real palettes, including Crayon Box and Lido put Mustard Yellow beside #3cb9ae, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #3cb9ae in 5 real palettes, including Khan Academy's brand system and Brilliant's brand system, as the accent.
Slate Gray #708090
shipped4 real palettes, including Indigo SaaS and Ledger Dark put Slate Gray beside #3cb9ae, as the supporting colour.
Light Coral #f08080
complementaryLight Coral sits directly opposite #3cb9ae on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #3cb9ae
Tints & shades
Harmonies
Contrast
| #3cb9ae as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.4:1 | fail | fail | fail | |
Aaon black | 8.74:1 | 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 #3cb9ae 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 #3cb9ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3cb9ae-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