Color

#618c03

#618c03
hex#618c03
rgbrgb(97, 140, 3)
hslhsl(79, 96%, 28%)
oklchoklch(0.586 0.153 128.1)
Closest name: Asparagus Sultan (#6a8e22)Relative luminance 0.213

Colors that go with #618c03

Crimson, Charcoal and Denim 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 →

#2e038c

#8c7303 · #1c8c03

#03618c · #8c0361

Split-complementary

Open in tool →

#031c8c · #73038c

#038c73 · #2e038c · #8c031c

Contrast

#618c03 as textRatioAAAA largeAAAFix
Aaon white
3.99:1failpassfail
  • AA: use #5a8203 as the text (4.54:1)
  • AAA: use #425f02 as the text (7.32:1)
  • AA: or shift the background to #141414 (4.62:1)
Aaon black
5.26:1passpassfail
  • AAA: use #72a503 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #618c03 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

#618c03 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #618c03
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 #618c03 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/618c03-b2bea2-4e66df-232d1f-f1f0e9?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