Color
#1bbbbb
#1bbbbbrgb(27, 187, 187)hsl(180, 75%, 42%)oklch(0.719 0.119 194.8)Colors that go with #1bbbbb
Charcoal, Midnight Blue and Mustard Yellow 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 #1bbbbb: softer than #000 and cool enough to feel like part of the same palette.
Midnight Blue #191970
shipped8 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #1bbbbb, as the lead colour.
Mustard Yellow #ffdb58
shipped4 real palettes, including Crayon Box and Lido put Mustard Yellow beside #1bbbbb, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #1bbbbb in 5 real palettes, including Confluent's brand system and Khan Academy's brand system, as the supporting colour.
Steel Blue #4682b4
shippedDesigners have shipped Steel Blue with #1bbbbb: 4 real palettes, including Deep Water and Ford's brand system, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #1bbbbb in 11 real palettes, including Crayon Box and Resort, as the text colour against it.
Tomato #ff6347
shipped4 real palettes, including Crayon Box and Lido put Tomato beside #1bbbbb, as the lead colour.
Light Coral #f08080
complementaryLight Coral sits directly opposite #1bbbbb 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 #1bbbbb
Tints & shades
Harmonies
Contrast
| #1bbbbb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.37:1 | fail | fail | fail | |
Aaon black | 8.87:1 | 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 #1bbbbb as the background.
Brands using this color
Fonts for this mood
#1bbbbb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
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 #1bbbbb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/1bbbbb-a2bbbe-d45994-1f272d-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