Color

#78de87

#78de87
hex#78de87
rgbrgb(120, 222, 135)
hslhsl(129, 61%, 67%)
oklchoklch(0.817 0.154 147.3)
Closest name: Grotesque Green (#64e986)Relative luminance 0.5798

Colors that go with #78de87

Deep Sky Blue, Taupe and Violet 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 →

#de78cf

#9bde78 · #78deba

#8778de · #de8778

Split-complementary

Open in tool →

#ba78de · #de789b

#789bde · #de78cf · #deba78

Contrast

#78de87 as textRatioAAAA largeAAAFix
Aaon white
1.67:1failfailfail
  • AA: use #218730 as the text (4.59:1)
  • AAA: use #186323 as the text (7.37:1)
  • AA: or shift the background to #545454 (4.54:1)
  • AAA: or shift the background to #383838 (7.03:1)
Aaon black
12.6:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #78de87 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 #78de87
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 #78de87 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78de87-a2bea9-ae4edf-1f2d27-ecf1e9?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