Color

#45c313

#45c313
hex#45c313
rgbrgb(69, 195, 19)
hslhsl(103, 82%, 42%)
oklchoklch(0.719 0.224 139.6)
Closest name: Crude Banana (#21c40e)Relative luminance 0.4034

Colors that go with #45c313

Orchid, Hot Pink and Charcoal 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.

Real palettes that use #45c313

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#9113c3

#9dc313 · #13c339

#1345c3 · #c31345

Split-complementary

Open in tool →

#3913c3 · #c3139d

#139dc3 · #9113c3 · #c33913

Contrast

#45c313 as textRatioAAAA largeAAAFix
Aaon white
2.32:1failfailfail
  • AA: use #30870d as the text (4.57:1)
  • AAA: use #24660a as the text (7.05:1)
  • AA: or shift the background to #3d3d3d (4.69:1)
  • AAA: or shift the background to #1f1f1f (7.12:1)
Aaon black
9.07:1passpasspassPasses 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 #45c313 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 #45c313
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 #45c313 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45c313-a6bea2-704edf-1f2d21-eff1e9?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