Color
#78d9ce
#78d9cergb(120, 217, 206)hsl(173, 56%, 66%)oklch(0.823 0.094 186.1)Colors that go with #78d9ce
Charcoal, Light Coral and Crimson 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 #78d9ce: softer than #000 and cool enough to feel like part of the same palette.
Light Coral #f08080
complementaryshippedLight Coral sits directly opposite #78d9ce on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Crimson #dc143c
shippedCrimson is paired with #78d9ce in 4 real palettes, including Tiffany & Co.'s brand system and Frost & Ember, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #78d9ce: 6 real palettes, including Salesforce's brand system and Astro's brand system, as the lead colour.
Midnight Blue #191970
shipped4 real palettes, including First Snow and Telehealth put Midnight Blue beside #78d9ce, as the text colour against it.
Royal Blue #4169e1
shippedRoyal Blue is paired with #78d9ce in 4 real palettes, including Docker's brand system and Telehealth, as the supporting colour.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #78d9ce: 4 real palettes, including Stone and Scale AI's brand system, as the supporting colour.
Slate Gray #708090
shipped8 real palettes, including Still Water and Dusty Blue put Slate Gray beside #78d9ce, as the lead colour.
Real palettes that use #78d9ce
Tints & shades
Harmonies
Contrast
| #78d9ce as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.66:1 | fail | fail | fail | |
Aaon black | 12.62:1 | 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 #78d9ce as the background.
Brands using this color
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 #78d9ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/78d9ce-a2bebe-d459a3-1f292d-e9f1ec?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