Color

#228c4e

#228c4e
hex#228c4e
rgbrgb(34, 140, 78)
hslhsl(145, 61%, 34%)
oklchoklch(0.566 0.133 152.6)
Closest name: Center Field (#008b56)Relative luminance 0.1965

Colors that go with #228c4e

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 →

#8c2260

#2b8c22 · #228c83

#4e228c · #8c4e22

Split-complementary

Open in tool →

#83228c · #8c222b

#222b8c · #8c2260 · #8c8322

Contrast

#228c4e as textRatioAAAA largeAAAFix
Aaon white
4.26:1failpassfail
  • AA: use #21874c as the text (4.53:1)
  • AAA: use #186337 as the text (7.29:1)
  • AA: or shift the background to #0d0d0d (4.56:1)
Aaon black
4.93:1passpassfail
  • AAA: use #2aac60 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #228c4e as the background.

Brands using this color

mcpConnect your agent — build around #228c4e
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 #228c4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/228c4e-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