Color
#99b9db
#99b9dbrgb(153, 185, 219)hsl(211, 48%, 73%)oklch(0.774 0.06 250.2)Colors that go with #99b9db
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 #99b9db: softer than #000 and cool enough to feel like part of the same palette.
Sand #c2b280
complementaryshippedSand sits directly opposite #99b9db 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 #99b9db in 4 real palettes, including Blueprint and NBA's brand system, as the accent.
Blue #0000ff
shipped4 real palettes, including Uber's brand system and Warp's brand system put Blue beside #99b9db, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #99b9db: 4 real palettes, including Clean Beauty and Dusk, as the accent.
Crimson #dc143c
shippedCrimson is paired with #99b9db in 5 real palettes, including JBL's brand system and Riot Games's brand system, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #99b9db: 5 real palettes, including Max's brand system and Calm's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #99b9db: 6 real palettes, including Open House and Coca-Cola's brand system, as the lead colour.
Real palettes that use #99b9db
Tints & shades
Harmonies
Contrast
| #99b9db as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.04:1 | fail | fail | fail | |
Aaon black | 10.32:1 | 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 #99b9db as the background.
Brands using this color
Fonts for this mood
#99b9db reads as cool, light, clean. The font library is tagged with the same vocabulary:
Point 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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #99b9db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/99b9db-9cabc4-df534e-1f202d-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