Color

#40a55b

#40a55b
hex#40a55b
rgbrgb(64, 165, 91)
hslhsl(136, 44%, 45%)
oklchoklch(0.644 0.144 149.4)
Closest name: Jungle Jewels (#58a64b)Relative luminance 0.2876

Colors that go with #40a55b

Charcoal, Blue and Crimson 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 →

#a5408a

#58a540 · #40a58e

#5b40a5 · #a55b40

Split-complementary

Open in tool →

#8e40a5 · #a54058

#4058a5 · #a5408a · #a58e40

Contrast

#40a55b as textRatioAAAA largeAAAFix
Aaon white
3.11:1failpassfail
  • AA: use #338449 as the text (4.63:1)
  • AAA: use #276337 as the text (7.18:1)
  • AA: or shift the background to #2b2b2b (4.55:1)
Aaon black
6.75:1passpassfail
  • AAA: use #42a95d as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40a55b 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 #40a55b
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 #40a55b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40a55b-a2bead-b959d4-1f2d29-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