Color
#81dcf3
#81dcf3rgb(129, 220, 243)hsl(192, 83%, 73%)oklch(0.846 0.093 215.9)Colors that go with #81dcf3
Charcoal, Deep Sky Blue and Crimson 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 #81dcf3: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
analogousshippedDeep Sky Blue is #81dcf3's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Crimson #dc143c
shippedCrimson is paired with #81dcf3 in 4 real palettes, including Frost & Ember and Tiffany & Co.'s brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #81dcf3: 4 real palettes, including Opensea's brand system and Patreon's brand system, as the lead colour.
Midnight Blue #191970
shipped5 real palettes, including Telehealth and Blue Mono put Midnight Blue beside #81dcf3, as the text colour against it.
Slate Gray #708090
shipped5 real palettes, including Still Water and Dusty Blue put Slate Gray beside #81dcf3, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #81dcf3 in 17 real palettes, including Boeing's brand system and Macaron, as the text colour against it.
Wheat #f5deb3
shippedDesigners have shipped Wheat with #81dcf3: 4 real palettes, including Mint Chip and Oatly's brand system, as the accent.
Real palettes that use #81dcf3
Tints & shades
Harmonies
Contrast
| #81dcf3 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.56:1 | fail | fail | fail | |
Aaon black | 13.46:1 | 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 #81dcf3 as the background.
Brands using this color
Fonts for this mood
#81dcf3 reads as cool, vivid, light. 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 #81dcf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/81dcf3-a2b5be-df4e77-1f242d-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