Color

#73b431

#73b431
hex#73b431
rgbrgb(115, 180, 49)
hslhsl(90, 57%, 45%)
oklchoklch(0.701 0.173 132.5)
Closest name: Extra Life (#6ab417)Relative luminance 0.3651

Colors that go with #73b431

Charcoal, Royal Blue and Taupe 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 →

#7331b4

#b4b431 · #31b431

#3173b4 · #b43173

Split-complementary

Open in tool →

#3131b4 · #b431b4

#31b4b4 · #7331b4 · #b43131

Contrast

#73b431 as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #528023 as the text (4.7:1)
  • AAA: use #3d601a as the text (7.28:1)
  • AA: or shift the background to #383838 (4.64:1)
  • AAA: or shift the background to #171717 (7.09:1)
Aaon black
8.3:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #73b431 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 #73b431
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 #73b431 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/73b431-adbea2-514edf-202d1f-f1f1e9?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