Color
#4cc9fa
#4cc9fargb(76, 201, 250)hsl(197, 95%, 64%)oklch(0.787 0.129 228.1)Colors that go with #4cc9fa
Charcoal, Midnight Blue and Taupe 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 #4cc9fa: softer than #000 and cool enough to feel like part of the same palette.
Midnight Blue #191970
shippedMidnight Blue is paired with #4cc9fa in 4 real palettes, including Telehealth and Blue Mono, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #4cc9fa in 8 real palettes, including Astro's brand system and Cursor's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Coral #ff7f50
complementaryCoral sits directly opposite #4cc9fa on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Khaki #f0e68c
shippedKhaki is paired with #4cc9fa in 3 real palettes, including Pastel Pop and Lagoon, as the accent — a combination designers have actually shipped, not a computed rotation.
Periwinkle #ccccff
shippedPeriwinkle is paired with #4cc9fa in 3 real palettes, including Calendly's brand system and Blue Mono, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Slate Gray #708090
shippedSlate Gray is paired with #4cc9fa in 3 real palettes, including Still Water and Dusty Blue, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Steel Blue #4682b4
shippedSteel Blue is paired with #4cc9fa in 3 real palettes, including Astro's brand system and Deep Water, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #4cc9fa
Tints & shades
Harmonies
Contrast
| #4cc9fa as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.9:1 | fail | fail | fail | |
Aaon black | 11.04:1 | 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 #4cc9fa as the background.
Brands using this color
Fonts for this mood
#4cc9fa 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 #4cc9fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4cc9fa-9cb4c4-df4e6b-1f232d-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