brandsweets

Color

#1ef159

#1ef159
hex#1ef159
rgbrgb(30, 241, 89)
hslhsl(137, 88%, 53%)
oklchoklch(0.836 0.247 146.4)
Closest name: Becquerel (#4bec13)Relative luminance 0.6391
Vivid
Open in palette toolCheck contrast

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →
1ef159f11eb5

#f11eb5

Analogous

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1ef1594bf11e1ef1c3

#4bf11e · #1ef1c3

Triadic

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1ef159591ef1f1591e

#591ef1 · #f1591e

Split-complementary

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1ef159c31ef1f11e4b

#c31ef1 · #f11e4b

Tetradic

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1ef1591e4bf1f11eb5f1c31e

#1e4bf1 · #f11eb5 · #f1c31e

Contrast

#1ef159 as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #09862c as the text (4.71:1)
  • AAA: use #066521 as the text (7.26:1)
  • AA: or shift the background to #595959 (4.6:1)
  • AAA: or shift the background to #3d3d3d (7.13:1)
Aaon black
13.78:1passpasspassPasses 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 #1ef159 as the background.

Brands using this color

mcpConnect your agent — build around #1ef159
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #1ef159 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1ef159-a2bead-bb59d4-1f2d29-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