Color

#288f52

#288f52
hex#288f52
rgbrgb(40, 143, 82)
hslhsl(144, 56%, 36%)
oklchoklch(0.577 0.132 152.8)
Closest name: seagreen (#2e8b57)Relative luminance 0.2071

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f2866

#338f28 · #288f85

#52288f · #8f5228

Split-complementary

Open in tool →

#85288f · #8f2833

#28338f · #8f2866 · #8f8528

Contrast

#288f52 as textRatioAAAA largeAAAFix
Aaon white
4.08:1failpassfail
  • AA: use #26874d as the text (4.51:1)
  • AAA: use #1c6339 as the text (7.26:1)
  • AA: or shift the background to #141414 (4.51:1)
Aaon black
5.14:1passpassfail
  • AAA: use #30ab61 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288f52 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 #288f52
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 #288f52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288f52-a2beb0-ca59d4-1f2d2b-eaf1e9?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