Color

#128c49

#128c49
hex#128c49
rgbrgb(18, 140, 73)
hslhsl(147, 77%, 31%)
oklchoklch(0.563 0.142 152.2)
Closest name: Center Field (#008b56)Relative luminance 0.1937

Colors that go with #128c49

Charcoal, Royal Blue and Medium Violet Red 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 →

#8c1255

#188c12 · #128c86

#49128c · #8c4912

Split-complementary

Open in tool →

#86128c · #8c1218

#12188c · #8c1255 · #8c8612

Contrast

#128c49 as textRatioAAAA largeAAAFix
Aaon white
4.31:1failpassfail
  • AA: use #128747 as the text (4.58:1)
  • AAA: use #0d6334 as the text (7.36:1)
  • AA: or shift the background to #0d0d0d (4.51:1)
Aaon black
4.87:1passpassfail
  • AAA: use #16ac59 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #128c49 as the background.

Brands using this color

mcpConnect your agent — build around #128c49
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 #128c49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/128c49-a2beb2-d059d4-1f2d2c-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