Color
#63cbd4
#63cbd4rgb(99, 203, 212)hsl(185, 57%, 61%)oklch(0.784 0.097 202.9)Colors that go with #63cbd4
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 #63cbd4: softer than #000 and cool enough to feel like part of the same palette.
Dark Salmon #e9967a
complementaryshippedDark Salmon sits directly opposite #63cbd4 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 #63cbd4 in 5 real palettes, including Telehealth and First Snow, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Plum #dda0dd
split-complementshippedPlum is a split-complement of #63cbd4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Powder Blue #b0e0e6
shippedPowder Blue is paired with #63cbd4 in 5 real palettes, including Audible's brand system and First Snow, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #63cbd4 in 7 real palettes, including Telehealth and 1password's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Slate Gray #708090
shippedSlate Gray is paired with #63cbd4 in 7 real palettes, including Still Water and Dusty Blue, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #63cbd4 in 20 real palettes, including Crayon Box and Boeing's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #63cbd4
Tints & shades
Harmonies
Contrast
| #63cbd4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.91:1 | fail | fail | fail | |
Aaon black | 11.02:1 | 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 #63cbd4 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
#63cbd4 reads as cool, modern. 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 #63cbd4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/63cbd4-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