Color
#4acdd9
#4acdd9rgb(74, 205, 217)hsl(185, 65%, 57%)oklch(0.782 0.113 203.8)Colors that go with #4acdd9
Charcoal, Light Coral and Dark Orange 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 #4acdd9: softer than #000 and cool enough to feel like part of the same palette.
Light Coral #f08080
complementaryshippedLight Coral sits directly opposite #4acdd9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Dark Orange #ff8c00
split-complementshippedDark Orange is a split-complement of #4acdd9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Midnight Blue #191970
shipped4 real palettes, including Telehealth and Confluent's brand system put Midnight Blue beside #4acdd9, as the text colour against it.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #4acdd9: 4 real palettes, including Audible's brand system and First Snow, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #4acdd9 in 7 real palettes, including Telehealth and 1password's brand system, as the lead colour.
Slate Gray #708090
shipped5 real palettes, including Still Water and Ledger Dark put Slate Gray beside #4acdd9, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #4acdd9 in 15 real palettes, including Crayon Box and Boeing's brand system, as the text colour against it.
Real palettes that use #4acdd9
Tints & shades
Harmonies
Contrast
| #4acdd9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.9:1 | fail | fail | fail | |
Aaon black | 11.03:1 | 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 #4acdd9 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#4acdd9 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 #4acdd9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4acdd9-a2b8be-df4e88-1f262d-e9f1ee?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