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
#99bbdb
#99bbdb
hex
#99bbdbrgb
rgb(153, 187, 219)hsl
hsl(209, 48%, 73%)oklch
oklch(0.778 0.059 247)Closest name: Blues White Shoes (#99badd)Relative luminance 0.4743
Colors that go with #99bbdb
Charcoal, Sand and Amber 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 #99bbdb: softer than #000 and cool enough to feel like part of the same palette.
Sand #c2b280
complementaryshippedSand sits directly opposite #99bbdb 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 #99bbdb in 4 real palettes, including Blueprint and Salesforce's brand system, as the accent.
Blue #0000ff
shipped4 real palettes, including Uber's brand system and Warp's brand system put Blue beside #99bbdb, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #99bbdb: 4 real palettes, including Clean Beauty and Dusk, as the accent.
Crimson #dc143c
shippedCrimson is paired with #99bbdb in 5 real palettes, including JBL's brand system and Tiffany & Co.'s brand system, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #99bbdb: 5 real palettes, including Max's brand system and Calm's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #99bbdb: 6 real palettes, including Open House and Coca-Cola's brand system, as the lead colour.
Real palettes that use #99bbdb
Tints & shades
Harmonies
Contrast
| #99bbdb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2:1 | fail | fail | fail | |
Aaon black | 10.49:1 | 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 #99bbdb as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#99bbdb reads as cool, light, clean. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #99bbdb
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 #99bbdb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/99bbdb-9cacc4-df4e4e-1f212d-e9f1f1?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