Color

#63675b

#63675b
hex#63675b
rgbrgb(99, 103, 91)
hslhsl(80, 6%, 38%)
oklchoklch(0.507 0.019 122.1)
Closest name: Italian Basil (#5f6957)Relative luminance 0.1311

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5f5b67

#67655b · #5d675b

#5b6367 · #675b63

Split-complementary

Open in tool →

#5b5d67 · #655b67

#5b6765 · #5f5b67 · #675b5d

Contrast

#63675b as textRatioAAAA largeAAAFix
Aaon white
5.8:1passpassfail
  • AAA: use #56594f as the text (7.15:1)
Aaon black
3.62:1failpassfail
  • AA: use #727769 as the text (4.56:1)
  • AAA: use #94988b as the text (7.12:1)
  • AA: or shift the background to #e3e3e3 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #63675b 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

#63675b reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #63675b
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 #63675b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/63675b-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