Color

#45fc79

#45fc79
hex#45fc79
rgbrgb(69, 252, 121)
hslhsl(137, 97%, 63%)
oklchoklch(0.873 0.227 148.3)
Closest name: Experimintal Green (#4cff7b)Relative luminance 0.7227

Colors that go with #45fc79

Violet, Charcoal and Deep Sky Blue 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 →

#fc45c8

#6dfc45 · #45fcd5

#7945fc · #fc7945

Split-complementary

Open in tool →

#d545fc · #fc456d

#456dfc · #fc45c8 · #fcd545

Contrast

#45fc79 as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #028828 as the text (4.61:1)
  • AAA: use #02641e as the text (7.38:1)
  • AA: or shift the background to #616161 (4.56:1)
  • AAA: or shift the background to #454545 (7.06:1)
Aaon black
15.45:1passpasspassPasses 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 #45fc79 as the background.

Brands using this color

mcpConnect your agent — build around #45fc79
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 #45fc79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45fc79-a2bead-bb59d4-1f2d29-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