Color

#1fe53a

#1fe53a
hex#1fe53a
rgbrgb(31, 229, 58)
hslhsl(128, 79%, 51%)
oklchoklch(0.803 0.253 144)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5664

Colors that go with #1fe53a

Taupe, Violet and Dark Orange 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 →

#e51fca

#68e51f · #1fe59c

#3a1fe5 · #e53a1f

Split-complementary

Open in tool →

#9c1fe5 · #e51f68

#1f68e5 · #e51fca · #e59c1f

Contrast

#1fe53a as textRatioAAAA largeAAAFix
Aaon white
1.7:1failfailfail
  • AA: use #108920 as the text (4.54:1)
  • AAA: use #0c6418 as the text (7.36:1)
  • AA: or shift the background to #525252 (4.59:1)
  • AAA: or shift the background to #363636 (7.09:1)
Aaon black
12.33:1passpasspassPasses 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 #1fe53a 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 #1fe53a
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 #1fe53a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fe53a-a2bea9-ac4edf-1f2d27-ecf1e9?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