Color

#217d38

#217d38
hex#217d38
rgbrgb(33, 125, 56)
hslhsl(135, 58%, 31%)
oklchoklch(0.52 0.134 147.7)
Closest name: Forestial (#007733)Relative luminance 0.1528

Colors that go with #217d38

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 →

#7d2166

#387d21 · #217d66

#38217d · #7d3821

Split-complementary

Open in tool →

#66217d · #7d2138

#21387d · #7d2166 · #7d6621

Contrast

#217d38 as textRatioAAAA largeAAAFix
Aaon white
5.18:1passpassfail
  • AAA: use #1b652d as the text (7.13:1)
Aaon black
4.06:1failpassfail
  • AA: use #24893e as the text (4.72:1)
  • AAA: use #2ead4e as the text (7.2:1)
  • AA: or shift the background to #f0f0f0 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #217d38 as the background.

Brands using this color

mcpConnect your agent — build around #217d38
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 #217d38 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/217d38-a2beac-b759d4-1f2d29-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