Color

#636660

#636660
hex#636660
rgbrgb(99, 102, 96)
hslhsl(90, 3%, 39%)
oklchoklch(0.506 0.01 128.7)
Closest name: dimgray (#696969)Relative luminance 0.13

Tints & shades

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

Harmonies

Complementary

Open in tool →

#636066

#666660 · #606660

#606366 · #666063

Split-complementary

Open in tool →

#606066 · #666066

#606666 · #636066 · #666060

Contrast

#636660 as textRatioAAAA largeAAAFix
Aaon white
5.83:1passpassfail
  • AAA: use #575954 as the text (7.09:1)
Aaon black
3.6:1failpassfail
  • AA: use #73766f as the text (4.55:1)
  • AAA: use #949791 as the text (7.09:1)
  • AA: or shift the background to #e3e3e3 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #636660 as the background.

Brands using this color

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

Fonts for this mood

#636660 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #636660
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 #636660 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/636660-a2beb0-c859d4-1f2d2b-eaf1e9?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