Color

#12973a

#12973a
hex#12973a
rgbrgb(18, 151, 58)
hslhsl(138, 79%, 33%)
oklchoklch(0.591 0.169 147.2)
Closest name: Green Revolution (#009944)Relative luminance 0.2257

Colors that go with #12973a

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 →

#97126f

#2c9712 · #12977c

#3a1297 · #973a12

Split-complementary

Open in tool →

#7c1297 · #97122c

#122c97 · #97126f · #977c12

Contrast

#12973a as textRatioAAAA largeAAAFix
Aaon white
3.81:1failpassfail
  • AA: use #108934 as the text (4.52:1)
  • AAA: use #0c6426 as the text (7.33:1)
  • AA: or shift the background to #1a1a1a (4.57:1)
Aaon black
5.51:1passpassfail
  • AAA: use #14ad42 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12973a 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 #12973a
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 #12973a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12973a-a2beae-be59d4-1f2d29-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