Arcade
Open in tool →Hot pink, cyan and acid yellow on near-black — cabinet-glow neon; the black surface is what makes the colours light up.
Color
#ecfe2a
#ecfe2a
hex
#ecfe2argb
rgb(236, 254, 42)hsl
hsl(65, 99%, 58%)oklch
oklch(0.952 0.208 115)Closest name: Banana Flash (#eefe02)Relative luminance 0.8888
Colors that go with #ecfe2a
Violet, Plum and 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.
Violet #ee82ee
split-complementshippedViolet is a split-complement of #ecfe2a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Plum #dda0dd
complementaryPlum sits directly opposite #ecfe2a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shippedBlue is paired with #ecfe2a in 3 real palettes, including Robinhood's brand system and Bumble's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #ecfe2a: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Deep Pink #ff1493
shippedDeep Pink is paired with #ecfe2a in 3 real palettes, including Arcade and JetBrains's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Deep Sky Blue #00bfff
triadicshippedDeep Sky Blue completes a triad with #ecfe2a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Lime Green #32cd32
analogousshippedLime Green is #ecfe2a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Amber #ffbf00
shippedAmber is paired with #ecfe2a in two real palettes: Gumroad's brand system and Binance's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #ecfe2a
Tints & shades
Harmonies
Contrast
| #ecfe2a as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.12:1 | fail | fail | fail | |
Aaon black | 18.78:1 | pass | pass | pass | Passes 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 #ecfe2a as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
mcpConnect your agent — build around #ecfe2a
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #ecfe2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/ecfe2a-b8bea2-4e88df-262d1f-f1eee9?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md