Glacier
Open in tool →Three blues from ice to deep water on a pale surface — a monochromatic winter set with real depth.
Color
#81e1f8
#81e1f8
hex
#81e1f8rgb
rgb(129, 225, 248)hsl
hsl(192, 89%, 74%)oklch
oklch(0.859 0.096 215)Closest name: Cold Blue (#88dddd)Relative luminance 0.6529
Colors that go with #81e1f8
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 #81e1f8: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
analogousshippedDeep Sky Blue is #81e1f8'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 #81e1f8 in 4 real palettes, including Frost & Ember and Tiffany & Co.'s brand system, as the accent.
Midnight Blue #191970
shipped5 real palettes, including Blue Mono and Telehealth put Midnight Blue beside #81e1f8, as the text colour against it.
Slate Gray #708090
shipped5 real palettes, including Dusty Blue and Still Water put Slate Gray beside #81e1f8, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #81e1f8 in 17 real palettes, including Boeing's brand system and Macaron, as the text colour against it.
Wheat #f5deb3
shippedDesigners have shipped Wheat with #81e1f8: 4 real palettes, including Sorbet and Mint Chip, as the supporting colour.
Dark Salmon #e9967a
complementaryDark Salmon sits directly opposite #81e1f8 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #81e1f8
Tints & shades
Harmonies
Contrast
| #81e1f8 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.49:1 | fail | fail | fail | |
Aaon black | 14.06:1 | 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 #81e1f8 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#81e1f8 reads as cool, vivid, light. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #81e1f8
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 #81e1f8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/81e1f8-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