Color

#78bf31

#78bf31
hex#78bf31
rgbrgb(120, 191, 49)
hslhsl(90, 59%, 47%)
oklchoklch(0.731 0.184 132.8)
Closest name: Emerald Glitter (#66bb00)Relative luminance 0.4148

Colors that go with #78bf31

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 →

#7831bf

#bfbf31 · #31bf31

#3178bf · #bf3178

Split-complementary

Open in tool →

#3131bf · #bf31bf

#31bfbf · #7831bf · #bf3131

Contrast

#78bf31 as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #528221 as the text (4.59:1)
  • AAA: use #3d6119 as the text (7.19:1)
  • AA: or shift the background to #404040 (4.59:1)
  • AAA: or shift the background to #212121 (7.13:1)
Aaon black
9.3:1passpasspassPasses 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 #78bf31 as the background.

Brands using this color

mcpConnect your agent — build around #78bf31
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 #78bf31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78bf31-adbea2-514edf-202d1f-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