Color

#128c69

#128c69
hex#128c69
rgbrgb(18, 140, 105)
hslhsl(163, 77%, 31%)
oklchoklch(0.57 0.113 166.9)
Closest name: Elf (#1b8a6b)Relative luminance 0.199

Colors that go with #128c69

Charcoal, Crimson 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 →

#8c1235

#128c2d · #12728c

#69128c · #8c6912

Split-complementary

Open in tool →

#8c1272 · #8c2d12

#2d128c · #8c1235 · #728c12

Contrast

#128c69 as textRatioAAAA largeAAAFix
Aaon white
4.22:1failpassfail
  • AA: use #118363 as the text (4.72:1)
  • AAA: use #0d634b as the text (7.23:1)
  • AA: or shift the background to #0f0f0f (4.55:1)
Aaon black
4.98:1passpassfail
  • AAA: use #16ac81 as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #128c69 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 #128c69
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 #128c69 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/128c69-a2beb9-d459b7-1f2b2d-e9f1eb?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