Color

#288153

#288153
hex#288153
rgbrgb(40, 129, 83)
hslhsl(149, 53%, 33%)
oklchoklch(0.539 0.111 156.6)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1678

Colors that go with #288153

Charcoal, Crimson and Royal 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 →

#812856

#298128 · #28817f

#532881 · #815328

Split-complementary

Open in tool →

#7f2881 · #812829

#282981 · #812856 · #817f28

Contrast

#288153 as textRatioAAAA largeAAAFix
Aaon white
4.82:1passpassfail
  • AAA: use #1f6541 as the text (7.01:1)
Aaon black
4.36:1failpassfail
  • AA: use #298555 as the text (4.58:1)
  • AAA: use #35ac6e as the text (7.28:1)
  • AA: or shift the background to #f7f7f7 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #288153 as the background.

Brands using this color

mcpConnect your agent — build around #288153
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 #288153 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/288153-a2beb3-d459d4-1f2d2c-e9f1e9?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