Color

#678901

#678901
hex#678901
rgbrgb(103, 137, 1)
hslhsl(75, 99%, 27%)
oklchoklch(0.583 0.146 125.2)
Closest name: Asparagus Sultan (#6a8e22)Relative luminance 0.2078

Colors that go with #678901

Royal Blue, Charcoal and Crimson 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 →

#230189

#896701 · #238901

#016789 · #890167

Split-complementary

Open in tool →

#012389 · #670189

#018967 · #230189 · #890123

Contrast

#678901 as textRatioAAAA largeAAAFix
Aaon white
4.07:1failpassfail
  • AA: use #5f7f01 as the text (4.64:1)
  • AAA: use #486000 as the text (7.12:1)
  • AA: or shift the background to #141414 (4.52:1)
Aaon black
5.16:1passpassfail
  • AAA: use #7ea701 as the text (7.42:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #678901 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

#678901 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #678901
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 #678901 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/678901-b4bea2-4e70df-242d1f-f1efe9?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