Color

#018301

#018301
hex#018301
rgbrgb(1, 131, 1)
hslhsl(120, 98%, 26%)
oklchoklch(0.529 0.179 142.5)
Closest name: green (#008000)Relative luminance 0.1624

Colors that go with #018301

Royal Blue, Crimson 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 →

#830183

#428301 · #018342

#010183 · #830101

Split-complementary

Open in tool →

#420183 · #830142

#014283 · #830183 · #834201

Contrast

#018301 as textRatioAAAA largeAAAFix
Aaon white
4.94:1passpassfail
  • AAA: use #016501 as the text (7.33:1)
Aaon black
4.25:1failpassfail
  • AA: use #018801 as the text (4.52:1)
  • AAA: use #02b102 as the text (7.29:1)
  • AA: or shift the background to #f5f5f5 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #018301 as the background.

Brands using this color

Fonts for this mood

#018301 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #018301
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 #018301 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/018301-a2bea5-994edf-1f2d25-edf1e9?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