Color

#51983a

#51983a
hex#51983a
rgbrgb(81, 152, 58)
hslhsl(105, 45%, 41%)
oklchoklch(0.612 0.148 138.8)
Closest name: Bitter Leaf (#669841)Relative luminance 0.2451

Colors that go with #51983a

Charcoal, Blue 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 →

#803a98

#80983a · #3a9851

#3a5198 · #983a51

Split-complementary

Open in tool →

#513a98 · #983a80

#3a8098 · #803a98 · #98513a

Contrast

#51983a as textRatioAAAA largeAAAFix
Aaon white
3.56:1failpassfail
  • AA: use #458131 as the text (4.73:1)
  • AAA: use #336024 as the text (7.4:1)
  • AA: or shift the background to #212121 (4.53:1)
Aaon black
5.9:1passpassfail
  • AAA: use #5baa41 as the text (7.27:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51983a 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 #51983a
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 #51983a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51983a-a6bea2-754edf-1f2d22-eff1e9?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