Color

#78838c

#78838c
hex#78838c
rgbrgb(120, 131, 140)
hslhsl(207, 8%, 51%)
oklchoklch(0.604 0.019 242.6)
Closest name: slategray (#708090)Relative luminance 0.2212

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8c8178

#788c8b · #78798c

#8c7883 · #838c78

Split-complementary

Open in tool →

#8c7879 · #8c8b78

#8b788c · #8c8178 · #798c78

Contrast

#78838c as textRatioAAAA largeAAAFix
Aaon white
3.87:1failpassfail
  • AA: use #6c767f as the text (4.63:1)
  • AAA: use #525a60 as the text (7.02:1)
  • AA: or shift the background to #171717 (4.63:1)
Aaon black
5.42:1passpassfail
  • AAA: use #8e979f as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #78838c 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

#78838c reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #78838c
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 #78838c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78838c-9cadc4-df4e53-1f212d-e9f1f1?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