Color

#228f0f

#228f0f
hex#228f0f
rgbrgb(34, 143, 15)
hslhsl(111, 81%, 31%)
oklchoklch(0.568 0.182 141.4)
Closest name: Emerald (#028f1e)Relative luminance 0.2002

Colors that go with #228f0f

Royal Blue, Charcoal and Crimson 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 →

#7c0f8f

#628f0f · #0f8f3c

#0f228f · #8f0f22

Split-complementary

Open in tool →

#3c0f8f · #8f0f62

#0f628f · #7c0f8f · #8f3c0f

Contrast

#228f0f as textRatioAAAA largeAAAFix
Aaon white
4.2:1failpassfail
  • AA: use #20860e as the text (4.69:1)
  • AAA: use #18660b as the text (7.13:1)
  • AA: or shift the background to #0f0f0f (4.57:1)
Aaon black
5:1passpassfail
  • AAA: use #2aaf12 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #228f0f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #228f0f
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 #228f0f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/228f0f-a3bea2-834edf-1f2d23-eef1e9?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