Lagoon
Open in tool →Turquoise and teal with a sand-yellow on white — shallow tropical water; the deep teal text is the reef.
Color
#1bbbb3
#1bbbb3
hex
#1bbbb3rgb
rgb(27, 187, 179)hsl
hsl(177, 75%, 42%)oklch
oklch(0.716 0.12 189.3)Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.3903
Colors that go with #1bbbb3
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 #1bbbb3: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
shippedDenim is paired with #1bbbb3 in 4 real palettes, including Open House and Coca-Cola's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #1bbbb3 in 6 real palettes, including Confluent's brand system and Ford's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Mustard Yellow #ffdb58
shippedMustard Yellow is paired with #1bbbb3 in 4 real palettes, including Crayon Box and Lido, as the accent — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #1bbbb3 in 5 real palettes, including Khan Academy's brand system and Confluent's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #1bbbb3 in 9 real palettes, including Crayon Box and Resort, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Light Coral #f08080
complementaryLight Coral sits directly opposite #1bbbb3 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Burlywood #deb887
shippedBurlywood is paired with #1bbbb3 in 3 real palettes, including Polaroid and Coastal, as the accent — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #1bbbb3
Tints & shades
Harmonies
Contrast
| #1bbbb3 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.38:1 | fail | fail | fail | |
Aaon black | 8.81:1 | 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 #1bbbb3 as the background.
Brands using this color
Palettes built around it
mcpConnect your agent — build around #1bbbb3
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #1bbbb3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/1bbbb3-a2bcbe-d4599b-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