Coastal
Open in tool →Sea-teal, sky and sand — bright without shouting; works for travel, wellness, and anything near water.
Color
#90cdf3
#90cdf3
hex
#90cdf3rgb
rgb(144, 205, 243)hsl
hsl(203, 80%, 76%)oklch
oklch(0.82 0.082 236.5)Closest name: lightskyblue (#87cefa)Relative luminance 0.5606
Colors that go with #90cdf3
Charcoal, Sandy Brown and Midnight 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 #90cdf3: softer than #000 and cool enough to feel like part of the same palette.
Sandy Brown #f4a460
complementaryshippedSandy Brown sits directly opposite #90cdf3 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Midnight Blue #191970
shippedMidnight Blue is paired with #90cdf3 in 6 real palettes, including Telehealth and Blue Mono, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #90cdf3 in 4 real palettes, including Telehealth and 1password's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Slate Gray #708090
shippedSlate Gray is paired with #90cdf3 in 8 real palettes, including Still Water and Dusty Blue, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #90cdf3 in 24 real palettes, including Boeing's brand system and Macaron, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Wheat #f5deb3
shippedWheat is paired with #90cdf3 in 4 real palettes, including Oatly's brand system and Still Water, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Dark Salmon #e9967a
split-complementshippedDark Salmon is a split-complement of #90cdf3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #90cdf3
Tints & shades
Harmonies
Contrast
| #90cdf3 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.72:1 | fail | fail | fail | |
Aaon black | 12.21:1 | 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 #90cdf3 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
#90cdf3 reads as cool, vivid, light. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #90cdf3
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 #90cdf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/90cdf3-9cb0c4-df4e5d-1f222d-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