Color
#81fef3
#81fef3rgb(129, 254, 243)hsl(175, 98%, 75%)oklch(0.922 0.114 187.8)Colors that go with #81fef3
Charcoal, Deep Sky 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 #81fef3: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
analogousshippedDeep Sky Blue is #81fef3's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Taupe #483c32
shippedTaupe is paired with #81fef3 in 12 real palettes, including Astro's brand system and Mint Chip, as the text colour against it.
Light Coral #f08080
complementaryLight Coral sits directly opposite #81fef3 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #81fef3: 3 real palettes, including Blueprint and Terminal, as the supporting colour.
Emerald Green #50c878
analogousshippedEmerald Green is #81fef3's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Slate Gray #708090
shipped3 real palettes, including Ledger Dark and Ink Wash put Slate Gray beside #81fef3, as the supporting colour.
Steel Blue #4682b4
shippedDesigners have shipped Steel Blue with #81fef3: 3 real palettes, including Astro's brand system and Deep Water, as the lead colour.
Real palettes that use #81fef3
Tints & shades
Harmonies
Contrast
| #81fef3 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.21:1 | fail | fail | fail | |
Aaon black | 17.4:1 | 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 #81fef3 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
#81fef3 reads as vivid, light, clean. 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 #81fef3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/81fef3-a2bdbe-d4599f-1f282d-e9f1ed?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