Color

#288175

#288175
hex#288175
rgbrgb(40, 129, 117)
hslhsl(172, 53%, 33%)
oklchoklch(0.548 0.085 182.4)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.1744

Colors that go with #288175

Charcoal, Medium Violet Red and Cobalt Blue 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 →

#812833

#288148 · #286081

#752881 · #817528

Split-complementary

Open in tool →

#812860 · #814828

#482881 · #812833 · #608128

Contrast

#288175 as textRatioAAAA largeAAAFix
Aaon white
4.68:1passpassfail
  • AAA: use #1e6259 as the text (7.13:1)
Aaon black
4.49:1failpassfail
  • AA: use #298578 as the text (4.72:1)
  • AAA: use #34a898 as the text (7.2:1)
  • AA: or shift the background to #fcfcfc (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288175 as the background.

Brands using this color

mcpConnect your agent — build around #288175
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 #288175 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288175-a2bebe-d459a5-1f292d-e9f1ec?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