Harbour
Open in tool →Steel blue and haze with a buoy orange on a pale grey — the maritime palette every port town uses for a reason.
Color
#90c2d0
#90c2d0
hex
#90c2d0rgb
rgb(144, 194, 208)hsl
hsl(193, 41%, 69%)oklch
oklch(0.784 0.056 216.9)Closest name: Aquatic (#99c1cc)Relative luminance 0.4907
Colors that go with #90c2d0
Charcoal, Dark Salmon and Copper 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 #90c2d0: softer than #000 and cool enough to feel like part of the same palette.
Dark Salmon #e9967a
complementaryshippedDark Salmon sits directly opposite #90c2d0 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Copper #b87333
shippedDesigners have shipped Copper with #90c2d0: 4 real palettes, including Clean Beauty and Desert Road, as the accent.
Crimson #dc143c
shippedCrimson is paired with #90c2d0 in 5 real palettes, including Tiffany & Co.'s brand system and Frost & Ember, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #90c2d0: 6 real palettes, including Max's brand system and Calm's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #90c2d0: 6 real palettes, including Open House and UEFA's brand system, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #90c2d0: 4 real palettes, including Opensea's brand system and Patreon's brand system, as the lead colour.
Midnight Blue #191970
shipped7 real palettes, including Telehealth and First Snow put Midnight Blue beside #90c2d0, as the text colour against it.
Real palettes that use #90c2d0
Tints & shades
Harmonies
Contrast
| #90c2d0 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.94:1 | fail | fail | fail | |
Aaon black | 10.81:1 | 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 #90c2d0 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#90c2d0 reads as cool, modern. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #90c2d0
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 #90c2d0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/90c2d0-a2b5be-df4e75-1f242d-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