Color

#1ef13a

#1ef13a
hex#1ef13a
rgbrgb(30, 241, 58)
hslhsl(128, 88%, 53%)
oklchoklch(0.834 0.265 143.8)
Closest name: Becquerel (#4bec13)Relative luminance 0.6349

Colors that go with #1ef13a

Violet, Deep Sky 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 →

#f11ed4

#6bf11e · #1ef1a3

#3a1ef1 · #f13a1e

Split-complementary

Open in tool →

#a31ef1 · #f11e6b

#1e6bf1 · #f11ed4 · #f1a31e

Contrast

#1ef13a as textRatioAAAA largeAAAFix
Aaon white
1.53:1failfailfail
  • AA: use #098619 as the text (4.73:1)
  • AAA: use #066513 as the text (7.3:1)
  • AA: or shift the background to #595959 (4.57:1)
  • AAA: or shift the background to #3d3d3d (7.09:1)
Aaon black
13.7:1passpasspassPasses 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 #1ef13a 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 #1ef13a
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 #1ef13a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1ef13a-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