# #999cb8

A color — cool, muted. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#999cb8`
- RGB: rgb(153, 156, 184)
- HSL: hsl(234, 18%, 66%)
- OKLCH: oklch(0.7 0.041 280.5)
- Relative luminance: 0.3401
- Nearest named color: Machinery (#9999aa, Δ 1.998) — https://brandsweets.com/colors/machinery
- Moods: cool, muted
- Page: https://brandsweets.com/colors/999cb8

## Tints & shades

- Tints (toward white): #a2a5be, #abadc4, #b7b9cd, #c0c2d3, #c9cad9, #d2d3e0, #dbdce6, #e7e8ee, #f0f0f5, #f9f9fb
- Shades (toward black): #878aab, #75799f, #62678d, #56597b, #494c69, #3d3f57, #303245, #212330, #15161e, #08090c

## Harmonies

- Complementary: #b8b599
- Analogous: #99abb8, #a599b8
- Triadic: #b8999c, #9cb899
- Split-complementary: #b8a599, #abb899
- Tetradic: #b899ab, #b8b599, #99b8a5

## Colors that go with #999cb8

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #999cb8: softer than #000 and cool enough to feel like part of the same palette. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Mercury (https://brandsweets.com/colors/brands/mercury-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com). — https://brandsweets.com/colors/charcoal
- **Sand** #c2b280 [harmony, pool: complementary] — Sand sits directly opposite #999cb8 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/sand
- **Copper** #b87333 [pool] — Designers have shipped Copper with #999cb8: 6 real palettes, including Dusk and Riverbed, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Atelier (https://brandsweets.com/palettes/elegant#atelier), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #999cb8: 5 real palettes, including Calm's brand system and Max's brand system, as the lead colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Max (https://brandsweets.com/colors/brands/max-com), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Open House and First Snow put Midnight Blue beside #999cb8, as the text colour against it. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), First Snow (https://brandsweets.com/palettes/cool#first-snow), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/midnightblue
- **Periwinkle** #ccccff [pool] — Periwinkle shows up next to #999cb8 in 4 real palettes, including Lavender Milk and Calendly's brand system, as the supporting colour. Seen in: Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Calendly (https://brandsweets.com/colors/brands/calendly-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/periwinkle
- **Peru** #cd853f [harmony, pool: split] — Peru is a split-complement of #999cb8: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/peru
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #999cb8: 5 real palettes, including First Snow and Crypto.com's brand system, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Stone (https://brandsweets.com/palettes/neutral#stone), Ink Wash (https://brandsweets.com/palettes/dark#ink-wash). — https://brandsweets.com/colors/powderblue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 2.69:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6f739b (4.56:1); AA: background → #333333 (4.69:1); AAA: text → #525575 (7.2:1); AAA: background → #0f0f0f (7.12:1)
- On black (#000000): 7.8:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/999cb8-9d9cc4-df8a4e-241f2d-e9eef1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#999cb8" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.