Color
#18bfb1
#18bfb1rgb(24, 191, 177)hsl(175, 78%, 42%)oklch(0.725 0.124 185.4)Colors that go with #18bfb1
Charcoal, Dodger Blue 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 #18bfb1: softer than #000 and cool enough to feel like part of the same palette.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #18bfb1: 4 real palettes, including Unity's brand system and Patreon's brand system, as the lead colour.
Midnight Blue #191970
shipped6 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #18bfb1, as the lead colour.
Mustard Yellow #ffdb58
shipped4 real palettes, including Crayon Box and Fresh Juice put Mustard Yellow beside #18bfb1, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #18bfb1 in 5 real palettes, including Khan Academy's brand system and Brilliant's brand system, as the accent.
Taupe #483c32
shippedTaupe is paired with #18bfb1 in 12 real palettes, including Crayon Box and Resort, as the text colour against it.
Light Coral #f08080
complementaryLight Coral sits directly opposite #18bfb1 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped3 real palettes, including Unity's brand system and Warp's brand system put Blue beside #18bfb1, as the supporting colour.
Real palettes that use #18bfb1
Tints & shades
Harmonies
Contrast
| #18bfb1 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.3:1 | fail | fail | fail | |
Aaon black | 9.13:1 | 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 #18bfb1 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 #18bfb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/18bfb1-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