Color

#288f68

#288f68
hex#288f68
rgbrgb(40, 143, 104)
hslhsl(157, 56%, 36%)
oklchoklch(0.582 0.111 163.3)
Closest name: Illuminati Green (#419168)Relative luminance 0.211

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f2850

#288f34 · #28838f

#68288f · #8f6828

Split-complementary

Open in tool →

#8f2883 · #8f3428

#34288f · #8f2850 · #838f28

Contrast

#288f68 as textRatioAAAA largeAAAFix
Aaon white
4.02:1failpassfail
  • AA: use #25835f as the text (4.68:1)
  • AAA: use #1c6348 as the text (7.17:1)
  • AA: or shift the background to #141414 (4.58:1)
Aaon black
5.22:1passpassfail
  • AAA: use #30ab7c as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288f68 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 #288f68
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 #288f68 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288f68-a2beb7-d459c4-1f2c2d-e9f1ea?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