Color
#4fc4d8
#4fc4d8rgb(79, 196, 216)hsl(189, 64%, 58%)oklch(0.762 0.107 210.7)Colors that go with #4fc4d8
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 #4fc4d8: softer than #000 and cool enough to feel like part of the same palette.
Dark Salmon #e9967a
complementaryshippedDark Salmon sits directly opposite #4fc4d8 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
shipped8 real palettes, including Confluent's brand system and Telehealth put Midnight Blue beside #4fc4d8, as the lead colour.
Periwinkle #ccccff
shippedPeriwinkle shows up next to #4fc4d8 in 4 real palettes, including Mistral AI's brand system and Calendly's brand system, as the accent.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #4fc4d8: 4 real palettes, including First Snow and Calendly's brand system, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #4fc4d8 in 9 real palettes, including Confluent's brand system and 1password's brand system, as the supporting colour.
Slate Gray #708090
shipped6 real palettes, including Still Water and Midnight Luxe put Slate Gray beside #4fc4d8, as the lead colour.
Steel Blue #4682b4
shippedDesigners have shipped Steel Blue with #4fc4d8: 4 real palettes, including Deep Water and Astro's brand system, as the supporting colour.
Real palettes that use #4fc4d8
Tints & shades
Harmonies
Contrast
| #4fc4d8 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.05:1 | fail | fail | fail | |
Aaon black | 10.22:1 | 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 #4fc4d8 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
#4fc4d8 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 #4fc4d8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4fc4d8-a2b7be-df4e7e-1f252d-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