Color

#128778

#128778
hex#128778
rgbrgb(18, 135, 120)
hslhsl(172, 76%, 30%)
oklchoklch(0.561 0.097 181.1)
Closest name: Go Go Green (#008a7d)Relative luminance 0.1881

Colors that go with #128778

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 →

#871222

#12873d · #125c87

#771287 · #877712

Split-complementary

Open in tool →

#87125c · #873d12

#3d1287 · #871222 · #5c8712

Contrast

#128778 as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #128273 as the text (4.7:1)
  • AAA: use #0d6357 as the text (7.14:1)
  • AA: or shift the background to #080808 (4.54:1)
Aaon black
4.76:1passpassfail
  • AAA: use #17ab97 as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #128778 as the background.

Brands using this color

Fonts for this mood

#128778 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #128778
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 #128778 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/128778-a2bebe-d459a5-1f292d-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