Color

#45e37c

#45e37c
hex#45e37c
rgbrgb(69, 227, 124)
hslhsl(141, 74%, 58%)
oklchoklch(0.811 0.194 150.7)
Closest name: Grotesque Green (#64e986)Relative luminance 0.5766

Colors that go with #45e37c

Deep Sky Blue, Taupe and Violet 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 →

#e345ac

#5ce345 · #45e3cb

#7c45e3 · #e37c45

Split-complementary

Open in tool →

#cb45e3 · #e3455c

#455ce3 · #e345ac · #e3cb45

Contrast

#45e37c as textRatioAAAA largeAAAFix
Aaon white
1.68:1failfailfail
  • AA: use #14853c as the text (4.72:1)
  • AAA: use #0f662e as the text (7.09:1)
  • AA: or shift the background to #545454 (4.52:1)
  • AAA: or shift the background to #363636 (7.21:1)
Aaon black
12.53:1passpasspassPasses 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 #45e37c as the background.

Brands using this color

mcpConnect your agent — build around #45e37c
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 #45e37c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45e37c-a2beaf-c459d4-1f2d2a-eaf1e9?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