Color

#45e879

#45e879
hex#45e879
rgbrgb(69, 232, 121)
hslhsl(139, 78%, 59%)
oklchoklch(0.823 0.203 149.7)
Closest name: Grotesque Green (#64e986)Relative luminance 0.6036

Colors that go with #45e879

Deep Sky Blue, 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 →

#e845b4

#63e845 · #45e8ca

#7945e8 · #e87945

Split-complementary

Open in tool →

#ca45e8 · #e84563

#4563e8 · #e845b4 · #e8ca45

Contrast

#45e879 as textRatioAAAA largeAAAFix
Aaon white
1.61:1failfailfail
  • AA: use #118837 as the text (4.56:1)
  • AAA: use #0c6428 as the text (7.32:1)
  • AA: or shift the background to #545454 (4.71:1)
  • AAA: or shift the background to #383838 (7.3:1)
Aaon black
13.07:1passpasspassPasses 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 #45e879 as the background.

Brands using this color

mcpConnect your agent — build around #45e879
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 #45e879 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45e879-a2beae-c059d4-1f2d2a-ebf1e9?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