Color
#4fcff3
#4fcff3rgb(79, 207, 243)hsl(193, 87%, 63%)oklch(0.798 0.121 220.1)Colors that go with #4fcff3
Charcoal, Dark Salmon 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 #4fcff3: softer than #000 and cool enough to feel like part of the same palette.
Dark Salmon #e9967a
complementaryshippedDark Salmon sits directly opposite #4fcff3 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Midnight Blue #191970
shippedMidnight Blue is paired with #4fcff3 in 6 real palettes, including Telehealth and Kraken's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Powder Blue #b0e0e6
shippedPowder Blue is paired with #4fcff3 in 4 real palettes, including Audible's brand system and Calendly's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #4fcff3 in 6 real palettes, including Telehealth and 1password's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #4fcff3 in 11 real palettes, including Boeing's brand system and Crayon Box, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Wheat #f5deb3
shippedWheat is paired with #4fcff3 in 4 real palettes, including Oatly's brand system and Still Water, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Light Coral #f08080
split-complementshippedLight Coral is a split-complement of #4fcff3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #4fcff3
Tints & shades
Harmonies
Contrast
| #4fcff3 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.82:1 | fail | fail | fail | |
Aaon black | 11.55:1 | 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 #4fcff3 as the background.
Brands using this color
Fonts for this mood
#4fcff3 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 #4fcff3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4fcff3-a2b5be-df4e75-1f242d-e9f1ef?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