Color

#6b999e

#6b999e
hex#6b999e
rgbrgb(107, 153, 158)
hslhsl(186, 21%, 52%)
oklchoklch(0.652 0.05 204.5)
Closest name: cadetblue (#5f9ea0)Relative luminance 0.2838

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#9e706b

#6b9e8a · #6b7f9e

#9e6b99 · #999e6b

Split-complementary

Open in tool →

#9e6b7f · #9e8a6b

#8a6b9e · #9e706b · #7f9e6b

Contrast

#6b999e as textRatioAAAA largeAAAFix
Aaon white
3.15:1failpassfail
  • AA: use #557d82 as the text (4.52:1)
  • AAA: use #3e5c60 as the text (7.23:1)
  • AA: or shift the background to #2b2b2b (4.5:1)
Aaon black
6.68:1passpassfail
  • AAA: use #719da2 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b999e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #6b999e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #6b999e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b999e-a2b8be-df4e86-1f262d-e9f1ee?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md