Color

#45b583

#45b583
hex#45b583
rgbrgb(69, 181, 131)
hslhsl(153, 45%, 49%)
oklchoklch(0.696 0.127 160.9)
Closest name: Bleached Olive (#55bb88)Relative luminance 0.3595

Colors that go with #45b583

Charcoal, Hot Pink and Midnight 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 →

#b54577

#45b54a · #45b0b5

#8345b5 · #b58345

Split-complementary

Open in tool →

#b545b0 · #b54a45

#4a45b5 · #b54577 · #b0b545

Contrast

#45b583 as textRatioAAAA largeAAAFix
Aaon white
2.56:1failfailfail
  • AA: use #328560 as the text (4.51:1)
  • AAA: use #266448 as the text (7:1)
  • AA: or shift the background to #383838 (4.57:1)
  • AAA: or shift the background to #141414 (7.19:1)
Aaon black
8.19:1passpasspassPasses 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 #45b583 as the background.

Brands using this color

mcpConnect your agent — build around #45b583
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 #45b583 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45b583-a2beb5-d459cc-1f2d2d-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