Glacier
Open in tool →Three blues from ice to deep water on a pale surface — a monochromatic winter set with real depth.
Color
#81e4ef
#81e4ef
hex
#81e4efrgb
rgb(129, 228, 239)hsl
hsl(186, 77%, 72%)oklch
oklch(0.862 0.094 204.9)Closest name: Aqua Fiesta (#96e2e1)Relative luminance 0.6639
Colors that go with #81e4ef
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 #81e4ef: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
analogousshippedDeep Sky Blue is #81e4ef'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 #81e4ef in 4 real palettes, including Frost & Ember and Tiffany & Co.'s brand system, as the accent.
Midnight Blue #191970
shipped4 real palettes, including Blue Mono and First Snow put Midnight Blue beside #81e4ef, as the text colour against it.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #81e4ef: 4 real palettes, including Stone and Pine & Birch, as the supporting colour.
Slate Gray #708090
shipped5 real palettes, including Dusty Blue and Still Water put Slate Gray beside #81e4ef, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #81e4ef in 17 real palettes, including Macaron and Nursery, as the text colour against it.
Wheat #f5deb3
shippedDesigners have shipped Wheat with #81e4ef: 4 real palettes, including Mint Chip and Sorbet, as the accent.
Real palettes that use #81e4ef
Tints & shades
Harmonies
Contrast
| #81e4ef as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.47:1 | fail | fail | fail | |
Aaon black | 14.28:1 | 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 #81e4ef as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#81e4ef reads as cool, vivid, light. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #81e4ef
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #81e4ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/81e4ef-a2b8be-df4e86-1f262d-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