Color

#1fa328

#1fa328
hex#1fa328
rgbrgb(31, 163, 40)
hslhsl(124, 68%, 38%)
oklchoklch(0.625 0.193 143.5)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2664

Colors that go with #1fa328

Blue, Dodger Blue and Royal 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 →

#a31f9a

#58a31f · #1fa36a

#281fa3 · #a3281f

Split-complementary

Open in tool →

#6a1fa3 · #a31f58

#1f58a3 · #a31f9a · #a36a1f

Contrast

#1fa328 as textRatioAAAA largeAAAFix
Aaon white
3.32:1failpassfail
  • AA: use #1a8922 as the text (4.52:1)
  • AAA: use #146719 as the text (7.04:1)
  • AA: or shift the background to #262626 (4.56:1)
Aaon black
6.33:1passpassfail
  • AAA: use #21b02b as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1fa328 as the background.

Brands using this color

mcpConnect your agent — build around #1fa328
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 #1fa328 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fa328-a2bea7-a24edf-1f2d26-edf1e9?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