Color

#288e1f

#288e1f
hex#288e1f
rgbrgb(40, 142, 31)
hslhsl(115, 64%, 34%)
oklchoklch(0.567 0.172 142)
Closest name: Forest Green (#228b22)Relative luminance 0.199

Colors that go with #288e1f

Crimson, Royal Blue and Charcoal 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 →

#851f8e

#608e1f · #1f8e4d

#1f288e · #8e1f28

Split-complementary

Open in tool →

#4d1f8e · #8e1f60

#1f608e · #851f8e · #8e4d1f

Contrast

#288e1f as textRatioAAAA largeAAAFix
Aaon white
4.22:1failpassfail
  • AA: use #26861d as the text (4.66:1)
  • AAA: use #1d6416 as the text (7.27:1)
  • AA: or shift the background to #0f0f0f (4.54:1)
Aaon black
4.98:1passpassfail
  • AAA: use #32b027 as the text (7.38:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288e1f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #288e1f
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 #288e1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288e1f-a2bea3-8d4edf-1f2d24-eef1e9?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