Color

#318153

#318153
hex#318153
rgbrgb(49, 129, 83)
hslhsl(145, 45%, 35%)
oklchoklch(0.541 0.107 155)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1698

Colors that go with #318153

Charcoal, Royal Blue 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 →

#813160

#388131 · #31817b

#533181 · #815331

Split-complementary

Open in tool →

#7b3181 · #813138

#313881 · #813160 · #817b31

Contrast

#318153 as textRatioAAAA largeAAAFix
Aaon white
4.78:1passpassfail
  • AAA: use #266440 as the text (7.05:1)
Aaon black
4.4:1failpassfail
  • AA: use #328555 as the text (4.62:1)
  • AAA: use #41aa6d as the text (7.2:1)
  • AA: or shift the background to #fafafa (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #318153 as the background.

Brands using this color

mcpConnect your agent — build around #318153
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 #318153 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/318153-a2beb1-cc59d4-1f2d2b-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