Color

#288f2a

#288f2a
hex#288f2a
rgbrgb(40, 143, 42)
hslhsl(121, 56%, 36%)
oklchoklch(0.571 0.166 143.2)
Closest name: forestgreen (#228b22)Relative luminance 0.2026

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8f288d

#5a8f28 · #288f5e

#2a288f · #8f2a28

Split-complementary

Open in tool →

#5e288f · #8f285a

#285a8f · #8f288d · #8f5e28

Contrast

#288f2a as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #268728 as the text (4.59:1)
  • AAA: use #1c631d as the text (7.36:1)
  • AA: or shift the background to #121212 (4.51:1)
Aaon black
5.05:1passpassfail
  • AAA: use #31af33 as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288f2a 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 #288f2a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #288f2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288f2a-a2bea6-9b4edf-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