Deep Water
Open in tool →Cyan and mid-blue on abyss navy with a foam highlight — the ocean at depth; the darker the surface, the brighter the water.
Color
#b9eff9
#b9eff9
hex
#b9eff9rgb
rgb(185, 239, 249)hsl
hsl(189, 84%, 85%)oklch
oklch(0.918 0.056 210.2)Closest name: paleturquoise (#afeeee)Relative luminance 0.7889
Colors that go with #b9eff9
Charcoal, Deep Sky Blue and Goldenrod 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 #b9eff9: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
analogousshippedDeep Sky Blue is #b9eff9's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Goldenrod #daa520
triadicshippedGoldenrod completes a triad with #b9eff9 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Light Coral #f08080
split-complementshippedLight Coral is a split-complement of #b9eff9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sandy Brown #f4a460
split-complementshippedSandy Brown is a split-complement of #b9eff9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Dark Salmon #e9967a
complementaryshippedDark Salmon sits directly opposite #b9eff9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #b9eff9 in 21 real palettes, including Blueprint and Trailhead, as the accent.
Blue #0000ff
shipped47 real palettes, including Dropbox's brand system and Alaska Airlines's brand system put Blue beside #b9eff9, as the accent.
Real palettes that use #b9eff9
Tints & shades
Harmonies
Contrast
| #b9eff9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.25:1 | fail | fail | fail | |
Aaon black | 16.78:1 | 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 #b9eff9 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
#b9eff9 reads as cool, vivid, light. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #b9eff9
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 #b9eff9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/b9eff9-a2b7be-df4e7e-1f252d-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