Color

#12783b

#12783b
hex#12783b
rgbrgb(18, 120, 59)
hslhsl(144, 74%, 27%)
oklchoklch(0.504 0.129 150.9)
Closest name: Gale of the Wind (#007844)Relative luminance 0.1388

Colors that go with #12783b

Charcoal, Medium Violet Red and 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 →

#78124f

#1c7812 · #12786e

#3b1278 · #783b12

Split-complementary

Open in tool →

#6e1278 · #78121c

#121c78 · #78124f · #786e12

Contrast

#12783b as textRatioAAAA largeAAAFix
Aaon white
5.56:1passpassfail
  • AAA: use #0f6632 as the text (7.08:1)
Aaon black
3.78:1failpassfail
  • AA: use #158a43 as the text (4.75:1)
  • AAA: use #1aad55 as the text (7.15:1)
  • AA: or shift the background to #e8e8e8 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12783b as the background.

Brands using this color

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

Fonts for this mood

#12783b reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12783b
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 #12783b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12783b-a2beb0-ca59d4-1f2d2b-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