Color

#78bf2b

#78bf2b
hex#78bf2b
rgbrgb(120, 191, 43)
hslhsl(89, 63%, 46%)
oklchoklch(0.73 0.188 132.5)
Closest name: Emerald Glitter (#66bb00)Relative luminance 0.4143

Colors that go with #78bf2b

Charcoal, Royal Blue and Taupe 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 →

#732bbf

#bfbd2b · #2ebf2b

#2b78bf · #bf2b78

Split-complementary

Open in tool →

#2b2ebf · #bd2bbf

#2bbfbd · #732bbf · #bf2b2e

Contrast

#78bf2b as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #51811d as the text (4.66:1)
  • AAA: use #3c6016 as the text (7.3:1)
  • AA: or shift the background to #404040 (4.58:1)
  • AAA: or shift the background to #212121 (7.12:1)
Aaon black
9.29:1passpasspassPasses 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 #78bf2b 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 #78bf2b
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 #78bf2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78bf2b-adbea2-4e4edf-212d1f-f1f1e9?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