Color

#648271

#648271
hex#648271
rgbrgb(100, 130, 113)
hslhsl(146, 13%, 45%)
oklchoklch(0.578 0.043 159.9)
Closest name: Ecological (#677f70)Relative luminance 0.1987

Colors that go with #648271

Charcoal, Blush Pink and Champagne lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #648271

Tints & shades

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

Harmonies

Complementary

Open in tool →

#826475

#668264 · #648280

#716482 · #827164

Split-complementary

Open in tool →

#806482 · #826466

#646682 · #826475 · #828064

Contrast

#648271 as textRatioAAAA largeAAAFix
Aaon white
4.22:1failpassfail
  • AA: use #5f7c6c as the text (4.58:1)
  • AAA: use #475c50 as the text (7.21:1)
  • AA: or shift the background to #0f0f0f (4.54:1)
Aaon black
4.97:1passpassfail
  • AAA: use #809d8d as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #648271 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 #648271
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #648271 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/648271-a2beb1-ce59d4-1f2d2b-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