Color

#288301

#288301
hex#288301
rgbrgb(40, 131, 1)
hslhsl(102, 98%, 26%)
oklchoklch(0.535 0.171 139.7)
Closest name: Green Bell Pepper (#228800)Relative luminance 0.1669

Colors that go with #288301

Charcoal, Royal Blue 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 →

#5c0183

#698301 · #01831b

#012883 · #830128

Split-complementary

Open in tool →

#1b0183 · #830169

#016983 · #5c0183 · #831b01

Contrast

#288301 as textRatioAAAA largeAAAFix
Aaon white
4.84:1passpassfail
  • AAA: use #1f6501 as the text (7.19:1)
Aaon black
4.34:1failpassfail
  • AA: use #2a8801 as the text (4.62:1)
  • AAA: use #35ac02 as the text (7.05:1)
  • AA: or shift the background to #f7f7f7 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288301 as the background.

Brands using this color

Fonts for this mood

#288301 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #288301
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 #288301 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288301-a7bea2-6e4edf-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