Color
#3ab5b0
#3ab5b0rgb(58, 181, 176)hsl(178, 51%, 47%)oklch(0.706 0.106 191.1)Colors that go with #3ab5b0
Charcoal, Denim and Midnight 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 #3ab5b0: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
shippedDesigners have shipped Denim with #3ab5b0: 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 #3ab5b0, as the lead colour.
Mustard Yellow #ffdb58
shipped4 real palettes, including Lido and Crayon Box put Mustard Yellow beside #3ab5b0, as the accent.
Orange #ffa500
shipped4 real palettes, including Mint Modern and Graphite put Orange beside #3ab5b0, as the accent.
Orange Red #ff4500
shippedOrange Red is paired with #3ab5b0 in 4 real palettes, including Cursor's brand system and Neon's brand system, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #3ab5b0 in 5 real palettes, including Khan Academy's brand system and Confluent's brand system, as the accent.
Light Coral #f08080
complementaryLight Coral sits directly opposite #3ab5b0 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 #3ab5b0
Tints & shades
Harmonies
Contrast
| #3ab5b0 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.5:1 | fail | fail | fail | |
Aaon black | 8.42:1 | 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 #3ab5b0 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 #3ab5b0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3ab5b0-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