Color

#297f40

#297f40
hex#297f40
rgbrgb(41, 127, 64)
hslhsl(136, 51%, 33%)
oklchoklch(0.53 0.126 148.8)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1602

Colors that go with #297f40

Charcoal, Royal Blue and Dark Orchid 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 →

#7f2968

#3d7f29 · #297f6b

#40297f · #7f4029

Split-complementary

Open in tool →

#6b297f · #7f293d

#293d7f · #7f2968 · #7f6b29

Contrast

#297f40 as textRatioAAAA largeAAAFix
Aaon white
5:1passpassfail
  • AAA: use #206433 as the text (7.16:1)
Aaon black
4.2:1failpassfail
  • AA: use #2c8744 as the text (4.66:1)
  • AAA: use #38ad57 as the text (7.28:1)
  • AA: or shift the background to #f5f5f5 (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 #297f40 as the background.

Brands using this color

mcpConnect your agent — build around #297f40
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 #297f40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/297f40-a2bead-b959d4-1f2d29-ebf1e9?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