Color

#128c74

#128c74
hex#128c74
rgbrgb(18, 140, 116)
hslhsl(168, 77%, 31%)
oklchoklch(0.573 0.105 174.4)
Closest name: Elf (#1b8a6b)Relative luminance 0.2015

Colors that go with #128c74

Charcoal, Copper 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.

Real palettes that use #128c74

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8c122b

#128c37 · #12678c

#74128c · #8c7412

Split-complementary

Open in tool →

#8c1267 · #8c3712

#37128c · #8c122b · #678c12

Contrast

#128c74 as textRatioAAAA largeAAAFix
Aaon white
4.18:1failpassfail
  • AA: use #11836c as the text (4.68:1)
  • AAA: use #0d6352 as the text (7.18:1)
  • AA: or shift the background to #0f0f0f (4.59:1)
Aaon black
5.03:1passpassfail
  • AAA: use #16ac8e as the text (7.33:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #128c74 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 #128c74
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 #128c74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/128c74-a2bebc-d459ad-1f2a2d-e9f1ec?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