Color

#128c76

#128c76
hex#128c76
rgbrgb(18, 140, 118)
hslhsl(169, 77%, 31%)
oklchoklch(0.574 0.104 175.9)
Closest name: Go Go Green (#008a7d)Relative luminance 0.2019

Colors that go with #128c76

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 #128c76

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8c1228

#128c39 · #12658c

#76128c · #8c7612

Split-complementary

Open in tool →

#8c1265 · #8c3912

#39128c · #8c1228 · #658c12

Contrast

#128c76 as textRatioAAAA largeAAAFix
Aaon white
4.17:1failpassfail
  • AA: use #11836e as the text (4.67:1)
  • AAA: use #0d6353 as the text (7.18:1)
  • AA: or shift the background to #0f0f0f (4.6:1)
Aaon black
5.04:1passpassfail
  • AAA: use #16ac90 as the text (7.34:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #128c76 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 #128c76
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 #128c76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/128c76-a2bebc-d459ab-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