Color

#689a51

#689a51
hex#689a51
rgbrgb(104, 154, 81)
hslhsl(101, 31%, 46%)
oklchoklch(0.633 0.116 136.5)
Closest name: Bavarian Green (#749a54)Relative luminance 0.2665

Colors that go with #689a51

Charcoal, Blue and Copper 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#83519a

#8c9a51 · #519a5e

#51689a · #9a5168

Split-complementary

Open in tool →

#5e519a · #9a518c

#518c9a · #83519a · #9a5e51

Contrast

#689a51 as textRatioAAAA largeAAAFix
Aaon white
3.32:1failpassfail
  • AA: use #567f43 as the text (4.65:1)
  • AAA: use #426133 as the text (7.02:1)
  • AA: or shift the background to #262626 (4.56:1)
Aaon black
6.33:1passpassfail
  • AAA: use #6fa456 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #689a51 as the background.

Brands using this color

mcpConnect your agent — build around #689a51
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 #689a51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/689a51-a7bea2-6b4edf-1f2d21-eff1e9?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