Coastal
Open in tool →Sea-teal, sky and sand — bright without shouting; works for travel, wellness, and anything near water.
Color
#99cfea
#99cfea
hex
#99cfeargb
rgb(153, 207, 234)hsl
hsl(200, 66%, 76%)oklch
oklch(0.826 0.067 230.2)Closest name: Sky Blue (#87ceeb)Relative luminance 0.5734
Colors that go with #99cfea
Charcoal, Dark Salmon and Deep Sky Blue 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 #99cfea: softer than #000 and cool enough to feel like part of the same palette.
Dark Salmon #e9967a
complementaryshippedDark Salmon sits directly opposite #99cfea on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #99cfea: 6 real palettes, including Salesforce's brand system and Max's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #99cfea: 5 real palettes, including Nikon's brand system and UEFA's brand system, as the supporting colour.
Midnight Blue #191970
shipped6 real palettes, including Telehealth and Blue Mono put Midnight Blue beside #99cfea, as the text colour against it.
Plum #dda0dd
triadicshippedPlum completes a triad with #99cfea — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Slate Gray #708090
shipped8 real palettes, including Dusty Blue and Still Water put Slate Gray beside #99cfea, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #99cfea in 25 real palettes, including Boeing's brand system and Macaron, as the text colour against it.
Real palettes that use #99cfea
Tints & shades
Harmonies
Contrast
| #99cfea as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.68:1 | fail | fail | fail | |
Aaon black | 12.47:1 | 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 #99cfea 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
#99cfea reads as cool, vivid, light. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #99cfea
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 #99cfea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/99cfea-9cb2c4-df4e64-1f232d-e9f1f0?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