Color

#288a2d

#288a2d
hex#288a2d
rgbrgb(40, 138, 45)
hslhsl(123, 55%, 35%)
oklchoklch(0.557 0.158 143.8)
Closest name: Forest Green (#228b22)Relative luminance 0.1882

Colors that go with #288a2d

Charcoal, Royal Blue and Dark Orchid 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 →

#8a2885

#548a28 · #288a5e

#2d288a · #8a2d28

Split-complementary

Open in tool →

#5e288a · #8a2854

#28548a · #8a2885 · #8a5e28

Contrast

#288a2d as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #27862c as the text (4.63:1)
  • AAA: use #1d6320 as the text (7.35:1)
  • AA: or shift the background to #080808 (4.54:1)
Aaon black
4.76:1passpassfail
  • AAA: use #32ae39 as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288a2d 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 #288a2d
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 #288a2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288a2d-a2bea6-a04edf-1f2d26-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