Color

#288157

#288157
hex#288157
rgbrgb(40, 129, 87)
hslhsl(152, 53%, 33%)
oklchoklch(0.54 0.107 158.7)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1684

Colors that go with #288157

Charcoal, Crimson and Medium Violet Red 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 →

#812851

#28812b · #287e81

#572881 · #815728

Split-complementary

Open in tool →

#81287e · #812b28

#2b2881 · #812851 · #7e8128

Contrast

#288157 as textRatioAAAA largeAAAFix
Aaon white
4.81:1passpassfail
  • AAA: use #1e6242 as the text (7.29:1)
Aaon black
4.37:1failpassfail
  • AA: use #29855a as the text (4.6:1)
  • AAA: use #35ac74 as the text (7.3:1)
  • AA: or shift the background to #fafafa (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288157 as the background.

Brands using this color

mcpConnect your agent — build around #288157
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 #288157 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288157-a2beb4-d459ce-1f2d2d-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