Color

#45fca4

#45fca4
hex#45fca4
rgbrgb(69, 252, 164)
hslhsl(151, 97%, 63%)
oklchoklch(0.88 0.19 157.1)
Closest name: Illicit Green (#56fca2)Relative luminance 0.7357

Colors that go with #45fca4

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 →

#fc459e

#45fc48 · #45f9fc

#a445fc · #fca445

Split-complementary

Open in tool →

#fc45f9 · #fc4845

#4845fc · #fc459e · #f9fc45

Contrast

#45fca4 as textRatioAAAA largeAAAFix
Aaon white
1.34:1failfailfail
  • AA: use #028847 as the text (4.55:1)
  • AAA: use #026435 as the text (7.3:1)
  • AA: or shift the background to #616161 (4.63:1)
  • AAA: or shift the background to #454545 (7.17:1)
Aaon black
15.71:1passpasspassPasses 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 #45fca4 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 #45fca4
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 #45fca4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45fca4-a2beb4-d459d0-1f2d2c-e9f1ea?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