Graphite
Open in tool →A greyscale system with a single amber — the accent does all the work, so allow one per screen.
Color
#999eb2
#999eb2
hex
#999eb2rgb
rgb(153, 158, 178)hsl
hsl(228, 14%, 65%)oklch
oklch(0.702 0.03 274.5)Closest name: Machinery (#9999aa)Relative luminance 0.3444
Colors that go with #999eb2
Charcoal, Copper and Denim 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 that reads cleanly against #999eb2 without the hard edge of pure #000.
Copper #b87333
shippedDesigners have shipped Copper with #999eb2: 8 real palettes, including Dusk and Riverbed, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #999eb2: 4 real palettes, including Open House and Dusk, as the lead colour.
Hunter Green #355e3b
shippedHunter Green is paired with #999eb2 in 4 real palettes, including Pine & Birch and Darkroom, as the lead colour.
Midnight Blue #191970
shipped8 real palettes, including Open House and First Snow put Midnight Blue beside #999eb2, as the text colour against it.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #999eb2: 5 real palettes, including Crypto.com's brand system and First Snow, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #999eb2 in 8 real palettes, including Sephora's brand system and Brilliant's brand system, as the supporting colour.
Slate Gray #708090
shipped6 real palettes, including Graphite and Riverbed put Slate Gray beside #999eb2, as the supporting colour.
Real palettes that use #999eb2
Tints & shades
Harmonies
Contrast
| #999eb2 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.66:1 | fail | fail | fail | |
Aaon black | 7.89:1 | 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 #999eb2 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
mcpConnect your agent — build around #999eb2
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 #999eb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/999eb2-9c9fc4-df7c4e-231f2d-e9eff1?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